Earlier quoted context omitted.
But how else do you imagine scenarios like these are tested? Normally there aren't a lot of people willing to jump randomly out in front of cars to test their reaction.
I really don't know. Even with all the hours of recorded road time by Google/Uber used as a testbed for proper driving conditions, most machine learning systems still suffer from figuring out ways of cheating[1], and in those cases it could be fatal. [1] "The program even learns how to take advantage of bugs and glitches, like timing jumps so that Mario begins falling again at the exact time that he makes contact wit…
But I dont see how you can avoid having a simulation. These events are just too rare to wait until they occur in real life.