To add to what the other comments say, it so far hasn't shown any credible ties to or support of the eastern block, which is rare for organizations which use the moniker socialist or communist in the USA. One of it's most well known members, NYC Mayor Mamdani, has disavowed Chinese Communism and opposed the Russian invasion of Ukraine.

That said, his statement about Tibetan protestor's self immolation was a little sketchy, he should have been less critical of the act and more critical of the cause in my opinion.