"Based on a true story" is a come-on, the aesthetic equivalent of "no loan request refused." For, at best, the creator has fashioned a film based on his understanding of, interpretation of, and reduction of the report of an actual occurrence.
David MametMovies were never an art form, they were entertainment. It just evolved into an art form from there, and it's still evolving in different ways.
David MametIF YOU PRETEND THE CHARACTERS CANT SPEAK, AND WRITE A SILENT MOVIE, YOU WILL BE WRITING GREAT DRAMA.
David MametYou wanna know how to get Capone? They pull a knife, you pull a gun. He sends one of yours to the hospital, you send one of his to the morgue. That's the Chicago way! And that's how you get Capone.
David Mamet