Cellar Dweller,
I see your point from a creative point of view... or from "business" point of view (Hollywood always exploiting old ideas for money's sake, rarely creating something truly new). But i think from the point of view of CRAFT of acting, movie directing, screenplay writing it is always a nice challenge to do pick up a classic and make an own version of it. It's not copying in that way, but a way of expressing one's own interpretation. Brokeback Mountain was a beautifully crafted masterpiece. Surely, i don't know, but i assume there are lots of actors / directors who think they should have done it (if they are really into challenges and exploring their craft).