And it’s not like they kept it a secret. After they overstepped in the 1930s and got their asses kicked in the polls they went underground. McCarthy tried to expose them but their media machine eventually painted him a pariah. But since the late 1990s they’ve been mostly out of the closet. And the CPUSA and its international brethren fund everything. Especially the unions that drive a lot of the behavior in these fucked up institutions.