If I saw any ol' body walking with a gun, I'm probably not just gonna smile and wave and assume he's a gun nut like me. He might be a legitimate nut, up to no good, and deserves attention. I'd be extra alert and probably looking to take cover and make distance. I act like this at the range too.
We here at THR are too quick to assume someone with a gun is a good guy, UNLESS the guy with a gun is a cop. Then the cop has to go over and above to prove to us that he's a good guy. You know, kiss our ass, be extra nice, and discuss guns like they're a carpenter discussing their favorite saw or hammer. Because most of the cops I know don't hug and caress their guns like most gun nuts I know, including myself. If the cop acts like his skin is more important than ours, because that's the first thing he thinks about when he wakes up in the morning, before he kisses his wife and kids, and the last think he thinks about at night when trying to decompress from real bad guys, and just other guys who give him a bad time for protecting himself, then I say I have a bit more patience with the cops. Of course there's a boundary that gets crossed sometimes by some guys. Walk a mile in there duty boots...
People like to say "well I live in GA/Tenn./TX, and folks just love guns here." That is probably true in your experience, and that's awesome for you. But mass shootings happen by regular guys (to the people who know them) with regular guns (to us) in regular places. In other words, Anytown USA, in front of strip malls, inside big malls, or god forbid, schools.
I'm saying don't give people a free pass until they act like they deserve it.