Waymo does a lot of urban miles and they do so fairly timidly. The flip side of the that coin is Tesla FSD and you don't hear people simping for their safety record much around here.

What if the difference between human and computer is basically nil (for the next ten years or so) and turns out to cost as much as glass coverage?

Furthermore, it's not like you can slap this stuff on a 2000 Ford Tarus. You're inherently incurring the insurance burden of a fancy modern car with obscenely expensive everything to even get into the kind of vehicle that could/would be equipped with autonomy.