In Eastern Ky they would know exactly where the guns are because these idiots would be shot at the first house they visited.This is a great idea because now they'll know which criminals have guns and how many. I'm sure the illegal gun owners will pay their fair share. They'll probably get a big group of formerly 2 gendered people to go door to door in LA counting guns and collecting taxes.
I can see this being a great new show. They'll call it "CROPS"
"Bad 'roids bad 'roids, whatcha gonna do... when they point illegal guns at you!?"