I look at it this way.........you have to bend at the waist. If you're 20-25 feet up a tree, and you have a deer at 7 yards you want to shoot, ain't no way you're gonna lower your arm, without bending your waist, and shoot the deer. Your neck won't bend that far down to keep your eye in line with the halo of the sight you speak of...........or to keep your nose on the string as other guysdo. It's pure mechanics.