Beware self-made 'genius' entrepreneurs promising the earth. Just look at Elon Musk | Kenan Malik

Silicon Valley 'saviours' are the heroes of the hour. Too often they have feet of clay Trussonomics trashed within eight weeks. Donald Trump's anointed candidates cut down in the US midterms. Sam Bankman-Fried, the poster boy of the crypto world, collapsing into bankruptcy. Elon Musk throwing Twitter into turmoil. The bursting of myths and the shredding of reputations seem to be the themes of the day. Each of these cases is, of course, distinct and the root causes of each disaster different. The...