Franzboas #racist en.wikipedia.org
Jews are, however, a group, and a strongly identified one. They have group interests, and those interests are sometimes at odds with those who they live amongst. As I said in my response to TFD below, this doesn't imply a conspiracy. However, it's necessary to distinguish a canard or conspiracy theory from people's factual acknowledgement of or concern with the fact that Jews were strikingly overrepresented in many communist movements.