Earlier quoted context omitted.
Why the scare quotes on "safer"? If self-driving cars prove objectively to have fewer accidents and resulting injuries and deaths, wouldn't that just make them a superior technology? In that case, why shouldn't insurance charge more for traditional driving if self-driving were available on your car? That's just how insurance works, nothing new there.
A self-driving car system might be statistically safer than a human drivers in overall conditions, and still be prone to failure in an exceptional situation a particular driver wouldn't have been. If you have the potential to be that driver in that situation, I could understand feeling the scare quotes are warranted. Which percentile of the population does an automated system need to outperform to be safer rather tha…
I would guess it is more like 15 or 20 than it is like 50 (but of course I'm guessing).