We were discussing this yesterday and came to the conclusion that that must be it.
When we first arrived yesterday we of course encountered the cops that were on duty for the fraud rally event. One of the cops was telling us where we could be and said that we couldn't be near the door because they didn't want any trouble. I very politely told him that we were not there to cause any trouble and if there was any we would not be the ones responsible. He then proceeded to tell us that it takes 2. I told him that he had apparently not seen these people operate.