A huge part of the Jewish problem to the Nazis was their owning of so much wealth. They were the original 1%ers.
Pray America is Waking
But the biggest part of "Jewish problems to the Nazis" was that a large number were pro communists. Oops, I was not supposed to say that lest I be called an anti-Semite. No, it was just a fact that was whitewashed by the ultimate victors in this struggle.
Europe was all in for socialism, but it was just a matter of what kind of socialism that would be settled upon. In pre-Nazi Germany, the two biggest rivals were the International Socialist (commies, pro-Soviet) and the National Socialists (Nazis). The Nazi party set out to distinguish their brand as particular to Germany, thus the "national" as part of their party name.