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Life & Death
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A Bayesian theory of death

The sinking of the superyacht displays the probability, and banality, of death.

George is a visiting fellow at the London School of Economics and an Anglican priest.

Rescue workers look at the plan of a yacht.
The search for the Bayesian.
Vigili del Fuoco.

On any statistical calculation, the probability of dying by drowning when your luxury yacht suddenly and inexplicably sinks at anchor in the Mediterranean has to be extremely low. 

So it’s the cruellest of ironies that tech tycoon Mike Lynch should so die, along with his daughter and five others, having devoted his commercial life to the application of such statistical probabilities. He had named his yacht Bayesian after the 18th-century theorem that introduced the idea that probability expresses a degree of belief in an event. 

That doesn’t expressly mean religious belief. But, intriguingly, it doesn’t exclude it either. According to Thomas Bayes, who published his theorem in 1763, the calculable degree of belief may be based on prior knowledge about an event, such as the results of previous experiments, or on personal beliefs about it. 

In essence, you don’t believe your yacht will capsize in the night and sink in seconds, because your experience tells you so. That belief can mathematically be included in the probability of it happening. 

We can transfer the method into religious praxis. Christian belief in the event of resurrection, for instance, can be calculated in the probability that the deaths of the Lynches and others aboard the Bayesian are not the end of their existence. 

It’s an intriguing legacy of Lynch’s work for theologians. But it’s the sheer lack of probability of the lethal event occurring at all that lends it its random banality. It’s that death visited those asleep on a yacht in the small hours that lends this news story such tireless legs, not just that these were super-rich masters and mistresses of the universe. 

There have been bitter observations on social media that the Bayesian’s victims have commanded limitlessly greater attention than the many thousands of refugees who die in small-boat crossings of the Mediterranean every year.  

This is a category mistake. And again, Bayesian theory can be deployed. Experience supports our belief that crossing the sea in overcrowded and unseaworthy vessels can all too often lead to tragically terminal events. The probability of death is plain. Again, it’s the sheer randomness of the Bayesian yacht event that sets it apart. 

If death can visit at any time, there can be no difference in the valuation of long or short lives. 

That randomness brings us back to the banality of sudden death among us, almost its ordinariness, something that just happens, often entirely out of the blue. The prayer book has the funeral words “in the midst of life we are in death”, meaning that death is our constant living companion. But that doesn’t quite cut it for me, because it tells us it’s there, but nothing of its true significance. 

The tenets of Christian faith are regularly said to be those of a death cult; that it’s a deep-seated fear of death that leads us to avoid it with assurances of eternal life. But it’s the sheer banality of death, as displayed in the randomness of the Bayesian event, that seems to knock down that idea. In its randomness, death looks ridiculous rather than evil. 

Conspiracy theories around the sinking of the Bayesian are a kind of denial of the reality of death too. We want there to be more to it than the utterly banal.

Author Hannah Arendt coined the phrase “the banality of evil” when covering the trial of Nazi holocaust architect Adolf Eichmann in Jerusalem. I’d want to suggest that it’s that same banality, that basic human ordinariness, that is the real nature of the supposed grim reaper, rather than his evil.   

None of this can comfort the Lynch family, who mourn the loss of a much-loved father and his young daughter, or the families of the others who lost their lives on the Bayesian. But it is meant to go some way towards an explanation of what we mean in Christian theology when we bandy about phrases such as “the defeat of death”. Because it’s not a wicked serpent that’s been defeated, more of a pointless clown. 

There is something especially painful about the death of the young, such as that of 18-year-old Hannah Lynch on the Bayesian that night, a young woman on the threshold of life. And – God knows – the even younger lives we’ve read about being taken lately. 

But the concept of banality may lead us to another tenet of faith: The completeness of every life. If death can visit at any time, there can be no difference in the valuation of long or short lives.  

A poem, often ascribed to a former dean of St Paul’s cathedral, begins with the line: “Death is nothing at all.” That’s wrong, as an idea. Death is as significant an event as birth. But its defeat is in keeping it in its place. 

The dignity in simplicity with which football manager Sven-Göran Eriksson greeted his final illness is a masterclass in this tactic for life. Death isn’t to be negotiated, it’s just there. 

In the end, death isn’t a Bayesian probability, it’s a certainty, for all of us. The difference, in Bayesian theory, must be the belief we bring to our personal calculations of the probability of the event.   

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7 min read

Grenfell: a tale of two towers

The Inquiry offers an opportunity to change the way we treat each other

Graham is the Director of the Centre for Cultural Witness and a former Bishop of Kensington.

A wrapping around the Grenfell Tower bears a giant green heart.
The Blowup on Unsplash.

Graham Tomlin was Bishop of Kensington at the time of the Grenfell Tower fire. This is the first of a short series of articles reflecting on this milestone in our national life. 

The Grenfell Inquiry report is brutal. None of the companies involved in the renovation of Grenfell Tower escape. Arconic, Kingspan, Rydon, Celotex, Exova and many others – all have a lot to answer for.  Listening to the statement by Sir Martin Moore-Bick and reading the report, words such as ‘failure’, ‘dishonesty’, ‘misleading’, and ‘defective’ sounded like a tolling bell throughout his account.   

This was a tragedy that was decades in the making. Reports came out, warnings were issued and routinely ignored. A government which led a campaign of de-regulation without looking at the consequences for safety, a local council that failed to plan ahead for such an event, a tenant management organisation that treated the tenants they were supposed to serve with disdain, all played their part. The construction industry fared even worse. A culture of unholy competition, ‘value engineering’ (another term for deception), cost-cutting, a scramble for market share all took precedence over the safety of the people who were going to live in the newly clad flats of Grenfell Tower.  

In the past, initial reports such as those on Bloody Sunday in Northern Ireland and on the Hillsborough disaster, were weak affairs, failing to listen to the voices of victims, too careful to preserve the status quo, only leading to further anger, and further reports which finally began to address the key issues. This report has not pulled its punches – perhaps because they kept the human side of the tragedy in mind throughout. 

In the early stages, in an inspired move, the Inquiry decided to offer an opportunity for bereaved family members to simply describe the people who died in the fire. It was intensely moving as the richness and colour of each person was described, celebrated and mourned. As a result, this Inquiry has never quite lost the human nature of this tragedy and I suspect that is why its results have been so hard-hitting. 

No blame for the victims - instead he demands a radical national repentance, a re-examination of deeper social and spiritual trends, and for a radical turnaround of attitude. 

Jesus and another tower 

Remembering the human scale of the disaster is vital, yet in itself, it does not lead to change. At one point in his public teaching, Jesus was asked about another disaster involving a tower which led to the tragic death of a large number of people. At some point during Jesus’ time in Jerusalem, it seems a tower collapsed in a part of the city called Siloam, killing 18 people. This tragedy clearly had a significant impact across the nation, and people started asking what it meant, and what it said about the society in which they lived.  

Jesus' words were harsh:

“Those who died when the tower in Siloam fell – do you think they were more guilty than all the others living in Jerusalem? I tell you, no! But unless you repent, you too will all perish.’”

No blame for the victims - instead he demands a radical national repentance, a re-examination of deeper social and spiritual trends, and a profound change of mindset. If they don’t, such disasters will continue to happen. When disaster strikes, it doesn’t say anything much about those caught up in it, but it does give us an opportunity to take a good look at ourselves.  

Jesus said that the two most basic commandments, the things we should set out to do every day of our lives, were to love God and to love our neighbour - who is deserving of love because they are first made and loved by God. The Grenfell story is an object lesson in what happens when those commandments get ignored. This is what happens when these commandments are superseded by other imperatives, such as to increase market share, to beat the competition or to safeguard the reputation of our own organisation.  

Grenfell was the result of a culture that has become so individualistic that we have lost sight of the fact that we are our brothers’ (and sisters’) keepers, that we have a responsibility for each other, and that we find purpose and meaning in loving our neighbours as we love ourselves, whoever they happen to be. I am sure that the employees of Arconic, Rydon, Kingspan and the Tenant Management Organisation of RBKC, would have done anything they could to ensure that they and their families enjoyed a safe and secure home. They simply failed to do that for those they were meant to serve through their work. They took care of themselves and their own. They lost sight of the people their work affected. They did not take care of their neighbour.

It is the individuals and institutions that have the resilience and flexibility to face up to failure, learn the lessons and to be open to change which ultimately excel. 

What happens now?  

Matthew Syed’s 2015 book Black Box Thinking looked at responses to catastrophic failure. He contrasted the approach of the medical profession with the aviation industry. Too often, he argued, when an error is made in the world of healthcare, the instinct is to cover up failure for fear of litigation or in order to protect reputations. As a result, he suggested, the same mistakes are often repeated, which means that thousands of people continue to die in hospitals every year due to preventable error. When a plane crashes, however, the ‘black box’ is recovered, data painstakingly analysed, and no stone is left unturned in order to determine the exact causes of the disaster to make sure that it never happens again. As a result, plane travel has become one of the safest means of transport we have.  

The companies and organisations that were meant to protect the residents of Grenfell failed in that duty. Yet the moral of Syed’s story is that failure is not something to be feared — but an opportunity to change. It is the individuals and institutions that have the resilience and flexibility to face up to failure, learn the lessons and to be open to change which ultimately excel. It is what the Christian church calls confession and repentance – the willingness to admit when we have got something wrong, bear the consequences, ask for forgiveness, resolve to learn from the error of our ways and to become a better person through it. Repentance is not wallowing in self-pity or hiding in a corner from the wagging finger of guilt; it is an invitation to honesty, to growth and to transformation.  

Those responsible will need to face justice. Yet if we allocate blame, punish the guilty, and then carry on as before, then there is no guarantee that something like this will not happen again. We might issue new types of building regulations, or safety measures in construction, but even that would not be enough. The kind of repentance that Jesus, and indeed the Grenfell Tower fire calls for is deeper - a radical look at the way we live together in our society.  

This involves all of us. As Andrew O’Hagan put it in a long article soon after the fire in the London Review of Books:

“In all the loosening of cares and controls and emergency services, it’s not just the current government but a succession of them that lie behind those deaths, and who, if not all of us, voted such vulnerability into existence? No one did well. If civic life is dead, with a 24-storey tombstone beside the Westway, it died in the times in which we too lived, and by the values we lived by. The point of a society, if we have one, is that when bad things happen, it’s everybody’s concern.” 

Grenfell is such an opportunity that we dare not let pass. If we carry on as normal, with our atomised individualism, our addiction to comfort, our spiritual poverty, our disregard for our neighbours, we would miss a huge opportunity to address some of the deeper issues in our life together, not to speak of refusing to heed the call of Jesus for true repentance.

In his statement in the House of Commons, Keir Starmer pledged a “profound shift in culture and behaviour.” I hope - and pray - this is what happens. Yet it will take more than changes to building regulation and for safety. It needs spiritual and not just political change, as I’ve argued here before. It would mean each of us looking at ourselves, and the cultures of the organisations of which we are a part (yes - including the church), and responding to the call to love God – to re-orient our lives around something, someone bigger and better than us – and to love our neighbours as much as we love ourselves. What if Grenfell sparked a fundamental change back to that more connected vision of who we are and what we are here for? Grenfell - and this report - is a shock to our system. Let us not waste it. 

 

Listen to Graham discuss Grenfell on BBC Radio 4's PM programme.