My assumption is that anywhere a group of "militia" gather, that some of the people there are working for the FBI or ATF. Either they are actually agents undercover or they are informants.
Heck , it even happens on internet forums.
Someone trying to bait people into making posts about shooting cops or politicians or having guns off the books and such.
Oh what great fun it would be for some of our sharper members to troll such a plant. Besides the dummies like me we have some pretty smart (smart@ss?) people on the forum. BTW, not insinuating that you are in my category, LOL.