Or just to find a new approach or angle on the subject matter that isn't simply doing the same old thing the same old way it's always been done. You can rework something, even invert it or turn it inside-out, without necessarily peeing on it.
Just because, say, you find it interesting to tell "Beowulf" from Grendel's POV doesn't mean you're spitting on the original version. You're just playing with it.
As the Doctor was saying just yesterday, you can honor the past while not necessarily being beholden to it--on your way to becoming something new and different.