Alfred Hitchcock said this quote

Content, I am not interested in that at all. I don't give a damn what the film is about. I am more interested in how to handle the material so as to create an emotion in the audience. I find too many people are interested in the content. If you were painting a still life of some apples on a plate, it's like you'd be worrying whether the apples were sweet or sour. Who cares?