So one sunreaver did something wrong so it was ok to kill and imprison all of them?
So a maniac got into power and some racist followers so the entire faction needs to be punished?
What did the blood elves, Tauren, trolls do to jaina? That is like saying because the scarlet crusade are crazy and murderous, all humans must be; but you don't want to see it any other way than what feels warm and fuzzy to you.