Earlier quoted context omitted.
The 'problem' doesn't even exist; non-autonomous cars work fine in America. Autonomy is a luxury product.
Aside from those massive numbers of dead pedestrians. (Edit: not that I think autonomous cars is the answer - but it's clear that regular cars are a problem)
Cyclists coming in at 857 in 2019 and people on foot coming in at 6,283[1].
That's not too trivialize those deaths... but from what we've seen so far, I'm not convinced self-driving cars are going to do any better.
[1] https://www.usnews.com/news/us/articles/2019-10-22/pedestria...