And
would the knowledge that random members of the public you are
interacting with, could well be carrying a gun, make you suspicious
and paranoid of your fellow citizen???

I think it makes criminals suspicious and paranoid or fellow citizens.
Crime goes down.

Jose
--
There are two kinds of people in the world. Those that just want to
know what button to push, and those that want to know what happens when
they push the button.
for Email, make the obvious change in the address.