I've always wondered if just having a really strong matchmaking system would be enough. It would keep cheaters playing against cheaters. Pro players in theory shouldn't be as good as cheaters, so they'd be in their own rank. But I suppose cheaters could purposefully play poorly sometimes to keep their ranking down. Is that even worth it to cheaters?
Downside to all of this is it would have to take longer to get into matches to keep players in their pools. I know games already do this, but they seem to match players up or down too quickly to keep the velocity of matches going.
As I type this I realize this system wouldn't work. Pro players would complain about long waits whiles average players would play the most frequently. Lose pros and you lose average players.