I think part of the success which Structuralist or post-Structuralist thought in critical theory has had in literary studies in American universities is due to a theoretical vacuum.
Susan SontagOne task of literature is to formulate questions and construct counterstatements to the reigning pieties. And even when art is not oppositional, the arts gravitate toward contrariness. Literature is dialogue: responsiveness. Literature might be described as the history of human responsiveness to what is alive and what is moribund as cultures evolve and interact with one another.
Susan SontagScience fiction films are not about science. They are about disaster, which is one of the oldest subjects of art.
Susan Sontag