>>19316176OP is right but he explains himself very poorly. The point is that server-based gaming allows for natural communities to form with hierarchies and shared interests. That is dangerous to the system.
ELO forces you to play with similarly-skilled players so it breaks apart friend groups and mixes huge swaths of people into one pool. Uniform censorship is one immediate result. This is the societal flattening inherent in leftism that is being talked about in this thread.