Perhaps all places of business need super-powerful high-gauss electro-magnets in the ceilig that will rip the gun out of the man's hand if he starts something.
Or maybe a hidden sequence of trap doors in the floor.
What about foaming the guy with quick-dry cement?
How about realizing that not everything can be prevented and sometimes nothing can be done to avert tragedy? People ARE going to put themselves in places where being armed isn't appropriate. Gyms are one of those places. Beach volleyball is another.
And, since it's morally wrong to disarm the entire country, there are going to be cases where depressed people will resort to mass murder as an "exit strategy".
A man drove his Cadillac into a daycare center playground once, killing kids.
Do we ban cars?
Do we require that all daycare facilities become hardened protected sites able to fend off angry luxury car drivers?
Not a whole heck of a lot that can be done reasonably.
This incident with yesterday.
The guy needed to get laid.
Legalize prostitution and maybe that could have prevented this.
Matthew 10:34Think not that I am come to send peace on earth: I came not to send peace, but a sword.