For every 20 sucky aiming misses, I get one really nice, "wow, I even impressed myself with that shot" moment. But in general, the way I engage - outflying, (and missing my shots until I get it) as opposed to a quick kill (which might've been a wtf kind of shot) is why I've never dealt with any accusations of cheating over my career.
In general, for air combat, it is latency, often combined with misreading perspectives, that create cries of aimbots.
For GVers it's generally been an issue of not grasping the low fidelity tree/ground modeling works (perspectives.)