This whole situation reminds me of the Shakespeare example. His works were never published in his lifetime, and decades later, after his death, associates and interested people had to cobble together what they could remember or find in order to recreate the plays.
There were frauds, fakes, things that probably resembled the real deal, and the like. As time passed, history tended to prefer one version over another, and I think that will be the case with these films as well. The commercial exploitation will expire, loyalties will die out, nostalgia and remembrances will be forgotten, and the craftsmanship will be judged on merit alone.
That is to say, the horrible editing mistakes in the SEs will eventually be eliminated, as long as people continue to preserve the original versions of the films in some way, shape, or form.