"If someone makes up their mind to come to the campus and shoot people, then obviously there's something wrong with them,” said Aaron Freeman, also on the UT campus. “Trying to shoot them back isn't going to help."
How would a no guns policy have stopped Charles Whitman that day?
Also weren't there a number of armed citizens that kept him pinned down, and unable to shoot more innocent people? Those that shot at him that day in 66 severely limited his options
The large majority of active shooters are stopped by a bullet, ether their own, or by someone else's.
Didn't an armed citizen go with law enforcement to the roof top to stop the sniper?
Shooting them or trying to shoot them gives them something else to worry about other than a high score.
"Arms discourage and keep the invader and plunderer in awe, and preserve order in the world as well as property... Horrid mischief would ensue were the law-abiding deprived of the use of them." Thomas Paine 1775
You can be like sheep in a pen and slaughtered, or you can be a sheepdog and fight back