Spot on, Charlie.  Even when armed, I too am mindful of people nearby, of course, and always aware that real-life situations are not as simple as those depicted in video games & vigilante fantasies. 

An additional thought:  Given gun-ownership stats for Alaska, it's likely that at least a few of the 15-or-so customers there WERE armed -- and I'm glad they did NOT want an exchange of gunfire that would have endangered many innocent people.  Again, spot on.