Everything you described increases the cost of attack (creating a cheat), and as a result, not everyone can afford it, which means anti-cheats work. They don't have to be a panacea. Gameplay analysis will only help against blatant cheaters, but will miss players with simple ESP.
It's almost the same as saying "you don't need a password on your phone" or something like that.
It's almost the same as saying "you don't need a password on your phone" or something like that.