On Wikipedia look up German revolution of 1918 and look up the family backgrounds of the Communist leaders involved. Then go to Weimar culture on Wikipedia, the intro confirms “Jewish intellectuals and creative professionals were among the prominent figures in many areas of Weimar culture.” and the section of that page on Berlin’s reputation for decadence confirms prostitution of minors, and acceptance of trans and homosexual individuals.
Look up Jordan Peterson Jewish Question and then read both the article and the comments and it should give you a reason why some based individuals don’t like him.
For those who don’t want to look it up, He made some bad arguments about how it’s totally normal that half of white students in Harvard are Jewish (as in tried to justify it with iq scores and statistics but choose bad numbers like using 115 average iq is for all Jews because a single study in the 50s found that was the average for Jews in a specific school system). Then he called those who disagreed with him anti-Semitic.
The leaders were mostly from Academic families and backgrounds. Like every other communist revolution “worker’s plights and rights” is a way to recruit cannon fodder not the actual motivation of the leaders.