No. I'm pretty sure people brag about that while polishing their monocles more often than they actually do it. And I'd imagine most people, when they do walk out, it's because they found the movie offensive, or maybe a family emergency and they need to leave even if they liked the movie, not just because they didn't like the movie.
Who's your favorite character from "Bend It Like Beckham"? And you can't say Beckham.