The problem discussed here isn’t these vehicles failing to see people and running them over. These aren’t Teslas. The issue that sometimes when driving the rules of the road break down. A police office stopped to direct traffic or some sticks used to designate that people should merge left. These are situations a human can handle, even if they might get flustered and make more mistakes, but a robot will find very tough. Instead you might see them trying to move slowly by deliberately through a crime scene ignoring the gestures made to try to make them stop