Why no question mark in the title?
As written, the movie title is a statement: Gilbert Grape is being eaten by someone or something named or called “What.” Who or what is what? Who’s on 1st?
If the title had a question mark, it would be interrogatory, as in “What’s bothering Gilbert Grape QUESTION MARK????”
Is it TOO MUCH TROUBLE to punctuate your goddam title?
Or does What like to, um, EAT Gilbert surreptitiously, in the shadows, or the closet.