Just because it's a joke doesn't mean it's not true.
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Hitler actually was an amazing guy. Yes he killed 6 million Jews (lol), but look at it from a 1930 German perspective. After WW1, germany was left in the dust, and everyone hated them and shot them down. Hitler fixed their problems, made the entire country much much happier, and it's really everybody else's fault so much went downhill, cause they didn't stop him whatsoever.