Are you kidding? I would be cheering the usher on and asking if he needed any help. People are rude because they get away with it.
I can sympathize with that somewhat, and would also stick up for the usher. Still, I'd prefer to watch a movie in uninterrupted peace. Why should I have to pay $8.00 to get in a shouting match with some rude idiot and to drag him outside to teach him some manners, when I have to do all of that for free at holiday family gatherings?