It's certainly interesting to think of how a human would have reacted, and there's no doubt that given those same circumstances, a human would have failed every time.
This was the first autonomous vehicle pedestrian fatality and it certainly won't be the last. Which, I think speaks to just how generally dangerous it is to have cars (autonomous or manually operated) whipping all over the goddamn place to begin with.
50 people riding a bus takes 49 (asshole or computer controlled) hazards out of our daily lives.