“You don’t want to train consumers that if they get the DVD fast, it means the movie s—,” ever-clueless National Association of Theater Owners president John Fithian told ShoWest yesterday, two and a half years after “Surviving Christmas” (picture) was rushed onto DVD a mere seven weeks after it died in theaters (the average last year was a little over four months). John, consumers already know this. And years after studios began releasing “unrated” movies on DVD, Fithian starts whining that this is subverting the ratings system. “It is frankly galling to see marketing campaigns designed around the very fact that a movie is ‘unrated and uncensored.’ ” Double D’OH.