Isn't the current CoD anti cheat system also flagging Valorant as cheating software because of Valorant's anti cheat?[0]
Fundamentally the problem with any anti cheat system is that it is indistinguishable from a root kit. You're giving software full privileges to your machine with the ability to edit your kernel, inspect running processes, and inject code into running processes. I'm not saying there's no situations where you don't want a program to be able to do this but you should be extremely cautious about doing so because that program essentially owns your machine.
Put it this way. Suppose you trust those game companies and their anti cheat software. Do you trust that this software will never be hacked? I mean we're talking about an extremely high profile target with wide adoption. Sounds like you're adding a pretty valuable target that's worth far more to hackers than it is to the game studios. I mean we're talking about the same game studios that let easily solvable but game breaking bugs persist for years. Even ones where the community has provided patches for...
[0] <https://www.pcgamer.com/games/fps/battlefield-6-and-valorant...>