1) Hitler served a year, while getting preferential treatment from guards. I don't see how that small amount of time, under those conditions would psychologically scar him.

2) It is generally believed that Hitler was a virulent anti-Semitic before World War I and that if anything psychologically scarred him, it would have been the fact that he was gassed during the war.

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You're not to be so blind with patriotism that you can't face reality. Wrong is wrong, no matter who does it or says it. - Malcolm X

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"Many... have gone out of their way to make us believe that... evil can triumph today so that in some hypothetical future this evil can become good. This is absolutely not true." - Anna Politkovskaya