Look I think they have some "evidence" to back that, comrade kirbywiththewhip sometime ago posted a video that mocked how teenager change ideology all the time and indeed some do but only cause they engage with said ideologies on a surface level, so maybe they've convinced a bunch of teens that claimed to be communists but weren't very serious about it, and then the folk that convinced them think that cause that attracted a mostly lost teenager(or maybe even a bunch of them) they are the embodiment of reason