Somebody had to protect those brooms.
Yeah, Justin Trudeau would have tied on his cape and had three shots bounce off his chest before subduing the shooter with a strong, manly, Canadian right hook to the jaw.
If Mr. Harper really did hide in a broom closet, my respect for him just rose more. There are two reasons you should hide if you can, or get as small and low as possible if you can't hide, in an active shooter situation:
1. You ain't bulletproof.
2. The security guys would really appreciate it if you stayed out of their line of fire and didn't distract them with your hysterics or heroics (those two being the same thing in these situations).
To hell with your fantasies of heroism, and to hell with your "dignity." If you ever find yourself in an active shooter situation, get into a broom closet, or under a desk, or behind a counter. If those options aren't available, get down on the floor and curl up against a wall. This vastly improves your chances of living.
(That's a generic "you," Cannuck, not you personally.)