I want to remind everyone how peppy has no fucking idea what he's talking about when it comes to a lot of technical issues and his go to choices usually boil down to something being "unfixable" or "you get banned for doing anything I don't want you to do"
im pretty sure a vast majority of top players/tourney players have adjusted their gamma for a map AT LEAST once, saying it's not legal gameplay now is kind of insane, especially when its happened in most likely every owc match in the last few years