I look at it as nothing more than intimidation on their part. But call the Cops and have them charged them with ‘intimidation/menacing with a firearm’ or whatever the correct term is. What are the chances this guy is carrying legally, probably very small ?? Let the local LEO’s deal with this guy. Now if he pulls the pistol out of his shorts (regardless of where he points it), I consider that a threat on my life. Also, I wouldn't turn my back on whoever showed the pistol to me. I don't know what their intentions are and wouldn't want to give them the opportunity to be stupid.

ymmv,
Kyle