I expect that by "communism" the poster means "a belief system I don't agree with"[0]. (In fairness, given that there are probably dozens of mutually-incompatible Marxist/socialist/communist philosophies, combined with the poster's use of the prefix "pseudo", means that pretty much any belief can, with sufficient effort, be described as "pseudo-communist".)

[0] (My understanding (I'm Canadian) is that this use of the word is a rather quaint Americanism, and has, fortunately, mostly failed to propagate into other dialects of English.)