Need to fix that for him.
...post signs last week prohibiting firearms and declaring themselves a "victim disarmament zone".
Maybe they should post one of those other signs? "We don't trust you with your own safety. We just want your money." Or words to that effect.
I smell boycott...
Can a restaurant owner ban non-smokers?
Take out a billboard in the rough area of town. Have it say simply...
"XXX at 123 Business Rd guarantees he doesn't have a gun on the premise. If robbed he has no means to defend himself other than 911."
LEt's see what his reaction will be. If he is outraged just ask him what the big deal is?