The "stick stirrin" that I have encountered it typically done by 109s or 190s after you have settled nicely on their 6.
They dive like a rock and when they get up to speed, they use the incredible roll rate to flick both left and right as fast as AH will let them, and they also mix in the porpoise move to spoil a guns solution. Once they have separation, these extraordinary moves stop.
Its not that the plane could not perform these moves, its more that the pilot could never survive these gut wrenching moves with the same endurance that AH allows ... thats what makes it gamey.
From what I have experienced, it has nothing to do with lag and modem tweaking.
It use to piss me off, but I don't give a crap anymore. Too many other targets around.