I think the goal of this project has always been to alter the Original Trilogy as little as possible, changing mostly the prequels to fit with the OT better. But this has also been a place where people throw out wacky ideas (well, OK, most of that was me) just for the sake of entertaining them.
Of course, on its own, the original Star Wars is a great movie that doesn't need any changes. I don't think a person on this board would want to see it disappear forever, even if Lucas had released Adywan's edit in '97. No one here is looking to take away from its greatness.
But when you start heaping all the other movies on top of the original movie, things don't all fit together so well, and a lot of people can't enjoy them together. I can enjoy 4 and 5, but 6 gets on my nerves, and then the prequels just make me sad. It's like two halves of a bridge, each one starting from the opposite side, and they don't meet in the middle! The Starkiller Ranch is about fixing that bridge.
The Vader/Ben fight in Star Wars is a good example of this. If you just see ANH, you can enjoy it. You've never seen a saber duel before, you don't know how these things work, and you're amazed. But when you see all the other Episodes, the duel becomes slow and unexciting in comparison. Obi Wan moves around like a statue, while Dooku managed to do flips off balconies. So you add in a little music and pick up the pace through editing (as Adywan has done), and you've got a more "comparable" duel. You haven't changed the characters any, and you haven't added any unrealistic superpowers.