I never watch the newer versions of Star Wars that I own. And I own them all. About 2 times a year I'll put on the DVDs of the original Originals, and enjoy those. As long as we're discussing art, I might as well add that part of creating good art, no matter the medium, is about setting the mood. The original three movies set a certain mood from scene to scene, and it carried from film to film. It all fit together, and made for something ground-shaking that will never be duplicated again, because back in the 70s and 80s George Lucas was knee deep in his art for 10 years.
Returning 20 or 30 years later, with evolved technology and a new perspective, to make additions and subtractions in various places, the way he did, disrupts the mood and devalues the films. He has the right, like everyone has noted, but I have the right to draw a stenciled border over my computer screen in black permanent marker. It wouldn't be wise, but I have the right.
Same thing with the Beatles. If you mix glaring sounds and techno rhythms in with their classic hits, it will disrupt and devalue their songs. It may be a cool thing to hear once or twice, but I don't want to listen to that every time the Beatles come on the radio. I would turn away, the same as I turn away from Star Wars when it comes on tv, and the altered versions that I spent a substantial sum of money on.