Why we can't have a remastered HD version of the original unedited Star Wars Trilogy

You can watch the Star Wars Trilogy on Blu-Ray, but you won't see the original films as they first appeared in theaters. No, George Lucas tinkered with and made changes to all three films starting in 1997. Mr. Gacek is of the opinion that the original films comprise the true Star Wars Trilogy, and that the "Special Editions" are compromised and inferior to the originals. The following article provides a comprehensive account for why it would not be easy for Disney to release the original  versions in a restored, unedited High-Def format. However, while the outlook is bleak, there is hope. Read the article here.