Yeah, I really don't get it here. For competitive games, I can see the argument and demand for anti-cheat. Here, though? Any actual problem it would solve is

Yeah, I really don't get it here. For competitive games, I can see the argument and demand for anti-cheat. Here, though? Any actual problem it would solve is better addressed either server side or on the counterparty clients. It seems backwards to require full control of all client software rather than filtering out spam on the receiving and/or intermediary ends.