Have We Hit Peak Fantasy?

E.D. asks whether the genre will continue to make inroads into television and film:

Dragons, spells, and fantastical worlds are expensive, even in the age of digital animation that has made this all possible. It's one thing to adapt A Game of Thrones, which is as much medieval adventure as it is high fantasy. Martin's work has little overt magic, and few magical creatures. Compare this to the work of Jordan, Erikson, or Bakker and you begin to see how studios such as HBO might be leery of the investment.