I don't think you could teach someone to be a genius, but you can certainly teach them to not make rookie mistakes and to look at writing the way a writer looks at writing, and not just the way a reader looks at writing. There are a lot of techniques and skills that can be taught that will be helpful to anybody, no matter how gifted they are, and I think writing programs can be very good for people.
Michael ChabonI might spend 100 pages trying to get to know the world I'm writing about: its contours, who are my main characters, what are their relationships to each other, and just trying to get a sense of what and who this book is about. Usually around that point of 100 pages, I start to feel like I'm lost, I have too much material, it's time to start making some choices. It's typically at that point that I sit down and try to make a formal outline and winnow out what's not working and what I'm most interested in, where the story seems to be going.
Michael Chabon