The program eventually will implode on its own, because few pilots will want to spend their own (unpaid) time and money (for transportation and lodging) for initial qualification and for recurrent qualification.
No doubt, what most of those wannabe aerial rambos had anticipated was that they would be earning full flight pay during gunnery training.
And last but not least, there just aren't many potential terrorists who, under the new security measures, would be inclined to do battle with alert passengers while trying to work their way into the cockpit to takeover the airplane.
