Hitler was great visionary , During his regime , Germans were No#1 in all aspects of the society , that includes Science , Technology , sports , standard of life .
The hatred towards the jews was natural in that era, as they are a inward looking community who did nothing to the society . In fact the History says , the Germans lost the WW1 due to the betrayal of the jews towards their motherland . Yes the Punishment was inhumane , but it was collective anger over the years which led to such an sorry incident. The word "Karma" is very hard on them , but it is the truth