Comment by SergeAx

I have a feeling that we have something like Pareto principle in effect here. We spent 20% of effort to solve 80% of the problem. Now we have to spend 80% of effort to solve remaining 20% of the problem :(

I am starting to believe in hybrid system at least for self-driving taxis. Autopilot works 80% of time, but in the case of uncertainty it calls a remote human driver to solve a particular problem. With 4G/5G coverage it is already technically feasible to drive a car remotely on a slow speed. Will have to master emergency slow down and stop on autopilot and of course detection of malicious or inadequate action from remote pilot.