Why Can't You Just Watch the Movie?

There are two kinds of people in the world: the people who divide the world into two kinds of people, and the people who don't. (**Rimshot**)  Among the many binary categorizations of humans, one that I run into a lot is: people who want to figure out why a story works, and people who don't.  And these two kinds of people can really get up each other's nose.  From my perspective, there I am, having a swell discussion about why the film we just saw worked (or didn't), when someone says "Why...