Tucking in the shirt doesn't prevent half of what he had. I sometimes carry IWB with my shirt tucked.
Just a bunch of people who "think" they are accomplising something.
Oh, come on....with that shotgun tucked down his pant leg, all you'd have to do is give him a good shove and stomp on his head. Threat abated.
I feel conspicuous just carrying ONE gun...this kid would likely be broadcasting "SOMETHING IS WRONG, LOOK OVER HERE!" like he was holding a friggin sign.