You shouldn't do things that get you banned.
Fred, who has a concealed carry permit and a gun, goes to a nightclub, where a drunk person picks a fight with Fred.
Fred wants to deal with the drunk person.
Fred goes to the bartender and asks for help dealing with the drunk person.
Fred pulls his gun on the drunk person and tells him to back off immediately.
The bartender calls security, who throws the drunk person out and bans him.
Security sees Fred with the gun, throws him out of the nightclub, and bans him from ever returning.