I guarantee you that two directors that are any good can take the same story, change the name of the characters, change the name of the town, and make an entirely different picture.
Howard HawksYou can't fix a bad script after you start shooting. The problems on the page only get bigger as they move to the big screen.
Howard HawksI get a little sick of these New Yorkers who want me to make some psychic thing, like 'The Left-Handed Gun.' They don't know anything about Western history.
Howard Hawks