It happens. No sympathy from me.
If I was that bear and I got shot, I would do the same thing but kill I'd kill him.This is why shot placement and choosing the right cal and bullet is so so important.Not the bears fault at all.This hunter deserved what he got,it goes with any wild animal. I know of a guy who was attacked by a monster buck he shot. Just about lost his leg over it after the buck charged him and stabbed him with his antlers.
I was charged by a little fork horn buck one time out hunting. It chased me back to my vehical.I woulda had a hard time convincing the CO that I had to kill it though cause the season was 4 points on one side( not including the brown tine or bigger) so I chose to run instead .you have to respect the animals you hunt and shot placement ,caliber,and bullet choice, are the most important tools needed.This is why you need to respect the game you hunt.