Time for More Film Music?

I friend of mine in the industry said once that the best classical music being written today is being written for the movies, and after listening to scores by James Newton Howard, Hans Zimmer, Danny Elfman and, of course, John Williams, I have to agree. Although we have a small amount of film music in our mix, is it time to widen the scope and add quite a bit more, or are there objections to even classifying these works as