Magic, condemn then only those who "raise their children to hate science", and not the rest of us unless you're prepared for atheism to accept ideological responsibility for the crimes of Communism. And, those during the far less bloody Crusades didn't know any better, having been raised to think that way and knowing no alternative. What was Mao or Stalin's excuse, having seen a peaceful, modern society and then chose a brutal murderous totalitarian state?