As long as the language of the cap's floor provisions remains in place then what isn't spent on a QB will perforce find it's way to the rest of the roster just as it was when the rookie wage scale was implemented. Not every change means the 'money grubbing owners' get more, the rookie wage scale proved a tremendous benefit to both veteran players and teams. The idea behind the rookie wage scale was to prevent the ridiculous amounts wasted on guys that didn't pan out. The net effect being the amount not spent there was redistributed throughout the rosters because it had to be spent. In the past few years it has unfortunately gravitated towards QB's and WR's at the expense of other psoitions
No one, here at least, is making the argument QB isn't the most valued (and valuable) postion. It's just that as a % of the cap the position is getting too big a piece of the pie because any non collectively bargained limit wouldn't stand even minimal scrutiny by an impartial arbitrator or the courts. The players would scream collusion if teams tried it, they'd be right to do so and they'd win going away. If however an agreement to limit contracts at a given position to a no more than a certain % of the cap was part of a CBA then it's all good.