Those buffet-browsing, three-hundred-pound beasts who clog the arterial hallways of every auto show and complain in authoritative tones about “understeer” as they circle the track twenty seconds off the pace are the creations of the automotive PR industry, not moths drawn …. And they can be so helpful, with the driveaways, and the high-school reunion rides, and the frequent-flier redemptions to fun vacation spots with a $185000 car waiting in the airport pickup lot… …