I dunno, it sounded like they are basically given a gun safety course/eval and handed a firearm. If they are really being trained in LE tactics, then that is better, but still restricting them to exclusive use only in the cockpit is I think unwarranted. Let the flight crew decide for themselves what response is most appropos. I don't think they would take the same cavalier approach to doing their job as some do riding and wrecking motorcycles, especially if the expectation is explained to them adequately. Sometimes the best defense is a good offense and all that. If one set of actions to produce a desirable outcome is completely disallowed rather than being advisedly discretionary, then I think that will end up invariably tying their hands behind their back, figuratively.

But in reference to removing the possibility of a breach physically by eliminating access/egress, Bingo!