There is a real danger that someone else comes up with a solution that is enough better than humans that governments outright ban anything else. This risk has a huge downside.
Car companies need to hedge this risk. There is evidence that self driving cars can work (they already do in some areas), so the amount of effort worth putting in his pretty high.
Car companies need to hedge this risk. There is evidence that self driving cars can work (they already do in some areas), so the amount of effort worth putting in his pretty high.