Let the Jewish people decide that.
and Homosexuals, ones with physical disabilities and other religious groups such as the Jehovah's Witnesses.
Hitler killed anywhere between 11 million - 17 million people; of whom 6 million were Jews.
How about no. I'll let impartial scholars with nothing to gain decide that, and they've already debunked the Jewish myth of Hitler wanting to kill all non-Germans.
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The Aktion T4 program has nothing to do with concentration camps, and besides I agree with it 100%:
"Reich Leader Bouhler and Dr. med. Brandt are charged with the responsibility of enlarging the competence of certain physicians, designated by name, so that patients who, on the basis of human judgment [menschlichem Ermessen], are considered incurable, can be granted mercy death [Gnadentod] after a discerning diagnosis." - Adolf Hitler
Hitler never once targeted the physically disabled, many physically disabled survived the war. It was reserved for the mentally and congenitally diseased.
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Hitler was well aware of everything Netaji was doing within the Reich. He avoided prosecution simply because Hitler chose not to prosecute him.