Why is it not more common to implement anti-cheat on the server instead of the client? Is that not more secure? Couldn’t the server just check what vision a player should have and not provide any other information to prevent wallhacks or maphacks? Or check how fast it is possible to move to prevent speedhacks? Aimbot is a bit harder to detect I guess but what about the other ones?
I just want to say that the term ‘rootkit’ has been twisted out of shape when referring to anti-cheat. Rootkits are malicious. Software using low level privileges that require the user’s consent to a EULA, and which is designed to be uninstallable by the user I would not consider a rootkit, just invasive.