A mirror rule applies to the monsters of history. Try to argue that Adolf H., Joseph S. or Mao Z. had some positive traits or did beneficial things. Or even me

A mirror rule applies to the monsters of history. Try to argue that Adolf H., Joseph S. or Mao Z. had some positive traits or did beneficial things. Or even mention that, say, they liked raspberry jam on their bread for breakfast. They were human beings, but they're better left comfortably demonized.