Ignorance of the law isn't an excuse. If you want to go by this standard, I could walk out to the freeway and see cars going fast down the road, say they alarmed me, call the police and then they all would go through something similar, when in reality they all were going 65 MPH breaking no laws.
I never read that he was waving the gun around, taking it out of it's holster, or anything like that. Simply had it on his side and went in to shop. I'd prefer to have someone with a gun on their side who isn't a criminal shopping in that store if I was an employee at that hour. All these ideas of someone being disorderly for simply having a gun on their side is insane. My grandpa and father told me stories of taking in 22's and 12 gauges into show and tell, everyone thought it was the coolest thing ever. Now if someone cuts a piece of paper into a gun they get suspended for a week and possibly expelled
Our country is turning into a bunch of scared little babies. Everyone is a winner and gets a trophy in school. Last I checked everyone doesn't get that 6 figure job, everyone doesn't get accepted int that top tier college and not everyone gets the winning lotto ticket. Back in the olden days people would be stupid to travel without a gun, now we should rely on a police officer 10-15 minutes away to save us when the boogie man comes busting down our door.