I dont think they know much, just hovering on social media as they do, so it all lives or dies by the clout and social grace of the people. Which matters because it means they'll have dumb ideas even if their criticisms are good (and are more willing to criticize because they see and only see the gracelessness). Which makes them a lot like ther spergs they have ire for, people with attachment to a brand or subculture without any great understanding making them dunning-krugers or otherwise interested in some kind of brand signalling even if offputting to outsiders. But with more social acumen