I think this is under-discussed. People bring up how self-driving cars can't deal with unwinnable situations, like crashing into a school bus vs. an old lady. Why is this scenario considered novel? Human drivers cannot avoid these either.
Because it hasent happened? The roadrunner gag comes up every few years only to be debunked (by snopes and others). Computer vision is fooled by many things that are still very obvious to the human observer.