I know what you're saying and tend to agree, but it's not like a lot of the guys/gals swinging a club on the links has ever been fitted nor will they ever. Nor should a lot of them really because the variations in their "swing" from one to the next or one day to the next is probably greater than the amount of adjustability anyways... and they don't probably care that much. People serious enough to try to build a repeatable swing may just get fitted and that would be the target market for the approach you speak of. The rest of them (us?) they'll sell the tinker toys to and let us adjust away trying to fix Godawful swings. If this years model don't fix it, next year's is sure to with some added distance. Old tricks same as the new...
But, the point of the fitting is to best fit you into a club that suits your swing.
Putting a bandaid on a gaping wound isn't really fixing the problem. And neither is swapping out the 4g toe weight for a 8g.
R35