There are JW's who carry firearms, too. They have their ignoramuses about firearms just like everyone else. Then again, some of them might have trouble remembering what topic they were presenting because they might want to discuss your particular choice in hardware. There is a time for every purpose under heaven, I suppose.
I've HEARD (you know what that means) that you can get in trouble for answering the door to the mailman with a gun on your hip. While I want to doubt it, there is always that lingering wonderment about how real that rumor might be.