@I_DYN4MO_IYou basically answer your own question.
A cheater to you is someone who can't behave and violates everything you consider acceptable. Even the cheaters say it on their forums, if you get reported, your settings are too high.
Then you can discuss how good an anticheat is when you have to manually report things that should actually be done automatically by this AC. How well does this AC work against those you don't report, where the absolute majority of cheaters are?
The answer is quite simple, if there is nothing to report, then there are no cheaters either.