We humans are fallible, imperfect beings prone to making mistakes and basic errors of judgment. So we create technologies to help ourselves out.
Take plans to launch fleets of self-driving cars. The belief here is that the technology will improve safety. But this is a very bold assumption to make at this stage in its development.
For one thing, the evidence to support the view simply is not there yet. The best data we have come from tests conducted over the course of 2016 in California, a state which, it must be remembered, boasts a mild climate hardly representative of global driving conditions.
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