Every cloud has a silver lining. Though the holocaust isn't something to take lightly, and in all honesty, SHOULDN'T have happened. The holocaust lead to the discovery of the connection between smoking and lung cancer, and the cause of hypothermia. At the expense of the Gestapo's guinea pigs(Jews), of course. Crap happens, I'm sorry to say, history can be brutal, unpleasant and downright nightmarish, but you can't go around and say "if given the chance, I'd stop Hitler". That's foolish rhetoric.