People often make arguments that "oh it will still be less accidents than human drivers", which is true, but, the problem is that human accuracy is a very poor benchmark for autonomous systems.

Never let a good solution get in the way of a good problem.

“But this medicine, while it can cure cancer, has a 1% chance of death!” “Ah shit good point, fuck it then. As long as we can still get pissy with that musk fellow.”