Earlier quoted context omitted.
The only actual problem with cheating is leaderboards. When you have accurate matchmaking, you will be playing against other players of a similar skill level. If you we're playing in single-player mode, it wouldn't bother you that some of the players were better than others. Whether the person you're playing against is as good as you because they have aim assist, while you have a 17g mouse and twitch reflexes shouldn…
At least in the world of chess (which has the OG matchmaking system, ELO), cheating is genuinely a problem. The problem is that it doesn't matter how good you are. You will not beat a computer. Ever. Playing against someone who is using a computer is just completely meaningless. Without cheating control, cheaters would dominate the upper echelons of the ELO ladder, and good players would constantly be running into th…
...and, even worse, if they ever got to the very top of the ladder and started only playing against other cheaters, then they'd actually weaken their cheats so that they could drop down in ranking to play against (and stomp) non-cheaters again, and/or find creative ways to make new accounts.
Cheaters ruin games. The fact that the GP is so deluded as to claim that "The only actual problem with cheating is leaderboards." suggests that they've never actually played a competitive matchmade game on a computer before.