You should know better than to make false assertions when we have plenty of evidence countering your assertion that technology will ever be this good. Since the 1960s we have been automating space travel and airlines, and still need pilots and astronauts because when the shit hits the proverbial fan humans are required to intervene. Sometimes to correct problems with the technology, and sometimes to bypass it and fly by hand.
Drones require people to pilot them too, so don't try to go down a bad path.
I don't see this as a problem of litigation, I see it as the only sensible approach to having technology. Nothing, and that is an absolutely nothing, has ever been made by man which has been perfect. We try for "the best we can" but stuff breaks and the unexpected does occur. With an estimated 250,000,000 cars on the road chances are high that something will go wrong pretty damn fast. With motor vehicles already being the number one killer in the US annually, we want human intervention early and often. That means trained drivers behind the wheel.
As stated above, a half a century has not perfected "self driving" anything else. It's much better today than 50plus years ago but not even close to the point where you can fly without a human.