It is a truism of our age that we suffer from a deficit of trust. But in some areas of technology, the opposite is true: there is an alarming surfeit of trust.

That was one of the findings of the National Transportation Safety Board’s report published last week into the fatal crash of a semi-automated Tesla in California in 2018. The investigators concluded that the Model X sport utility vehicle failed to read the road conditions correctly and accelerated into a crash barrier at 115km/h while the 38-year-old driver was playing a game on his iPhone.

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