I think lots of quake players think you need 60% rail and 45% lg accuracy just to be considered suspicious.
With these advanced hacks these days you have billions of options, varying from item timing to setting the bot to help you aim a really small percentage just for one or two weapons.
I don't really care weather
Noone in his right mind would do such a thing if he really only can be good via cheating.
But if he manages to play at a decent level there is nothing to say against him.