It saves on serving wear and gets away from knock pinch". I've heard that 1000 times.
Well, 1000 other archers can't be all wrong, can they

I'd just add that the shorter the axle to axle length, the more it may help with both of the above more than with a longer axle to axle set-up. Is it for every one, heck no, but neither is a Mathews, Bow Tech, etc. This is the good 'ol USA, each of us need to be individuals to make the wheels go round. But still, let's not freight over loosing 1 fps