The thing that this site sometimes forgets is that in the United States, full left wing communism isn’t really acceptable. A major shift of the Overton Window towards, say, social democracy allows potentially for Marxism-Leninism and Anarchism to enter the mainstream. Remember, in Russia, it was not the Tsar in power at the time of the October Revolution. It was the SocDems. It is easier for things to get done under SocDems and DemSocs