He said, "Yes it is a deterrent, it deters a criminal from robbing one location so they can move to the next location with no resistance and if they face resistance a second time, it's likely to end worse than the first robbery attempt would have ended."
works for me... so long as my family is safe and secure... everyone else can take care of their own. I dont carry a gun to protect anybody else but me and my loved ones... maybe a couple friends.. but they carry guns too so they should be fine.