As Woody Allen pointed out in one of his movies, before WWII there were organizations in Germany, “Jews for Hitler” — as pointed on at this link, Hitler’s anti-Jewish patter was regarded as just posturing.
http://www.freerepublic.com/focus/bloggers/3158259/posts
In The Rise there are some comments from German Jews who thought Hitler’s ideas were awesome.
https://www.youtube.com/watch?v=0KG74s4DnRw