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I’ve been writing this newsletter since 2020, and in my first edition I marvelled at the concept of the centi-billionaire, and the fact there were at the time three people with 11 zeros in their net worth. What a six years it’s been. When I started writing this week’s edition, Elon Musk was a mere David Sun away from becoming the world’s first trillionaire, and now as I’m finishing it, Musk is worth the scarcely conceivable sum of $1.1 trillion. Nothing like this has ever happened before and there is no sign it is going to stop happening. There is no reason at all to suppose that in another half-decade I won’t be writing about how deci-trillionaires are the new thing.

This increasingly extreme inequality is a challenge for social cohesion, democracy and civilisation that we haven’t seen in modern times, second only to climate change as a threat to our future. Although in some ways, they’re the same challenge, considering the disproportionate share of emissions coming from rich people.

In some ways, if Musk’s wealth seemed to be making him happy it wouldn’t be so bad, but it appears only to make him angrier. I like to think that if I had a trillion dollars, I’d do something more constructive than stir up protests against ethnic minorities.

Reducing inequality is the right thing to do for every reason, not least because it would deprive very rich people of the ability to stoke pogroms anywhere they like. But how to do that? The only thing that has previously reduced inequality to any significant extent has been the 20th century’s series of global conflicts with massive destruction of life and property, and that’s the kind of thing it would be good to avoid.