In any eSports community will always be a group of cheaters, smurfers and Resellers accounts that have a negative influence on the entire gaming team. At least in Dota 2 the number of such people had to drop, after Valve dropped 17 thousand accounts of the game, accused of fiddling with the matchmaking.

these actions should have a positive impact on the matchmaking system, at least for a while. Given that the community has long been complaining of manipulation of grades — even some streamers on Twitch hunted boosting accounts.