>Those things are extremely unknown and hard to model, and AI does not work there.

That might be because they're problems for _any_ thing. Can't really apply a solution to a problem with what hasn't been solved in the first place. No human is doing any better either, so it'd be unfair to expect autonomous vehicles to do miracles either.

For some reason it's fine that Bob just killed a family of four, but unfathomable for a thinking rock to make the slightest error.