Yes, I'm calling you an idiot.
An idiot is a person arguing and making comments on an event in which they have never attended....you! I've been to plenty of gun shows, so have the people that have been trying to tell what is posted there.
Just like a person with no leg to stand on to start calling names
Actually, and "idiot" is a intellectually deficient person (notwithstanding faux dictionary definitions pulled from your ass).
Any person that projects their limited experiences of a thing to ALL examples of that thing is too intellectually limited to understand anything BUT calling names.
While I have never been to a gun show, I have plenty enough real world experience of organizing events to know NONE of them go exactly according to plan. That being said, I don't have to have ever been to a gun show to know you haven't been to all of them. Therefore, you can not predict all the particulars of the gun show in question.
Finally, even the plain vanilla internet forums are blanching at the unprecedented numbers showing up at local gun shows. If your "experience" is so valuable, go to a local gun store and offer them the same price they were asking for ARs three months ago, genius.