Yeah, First instinct would be to slash tires, but I'm not that type to destroy even a morons vehicle, although, letting the air out of every tire on the truck and trailer and tossing the valve cores would be acceptable, but only after towing the unit out of the way and into the ditch.
Scot, not sure when the next trip is, just got back from there on monday. Will send you an e-mail, would be nice to hook up with you for sure.