It's largely because he probably was, at least the Nazi war criminal part. Evil is a value judgement I shall not herein make (I'd have to study him a lot more, though I will say he was kind of a jerk), but the argument for war criminal is there--and the Nazi part, I think, is indisputable. Member of the Nazi Party, and all that.

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Gillian

"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"

"You can't erase icing."

"I can't believe it doesn't work! I found it on the internet, man!"