I remember when they cleaned all the soot off the Sistine Chapel and revealed all the beautiful colours, there were some people who thought it was vandalism because everyone had added the dark murky qualities into their mind map of what the piece was about.
So some of this could be just the shock of the rediscovered.
The Ady enhanced version is much better than any of the other versions.
Having Ghost Ben sitting on down in ROTJ blew all theories of him just being a floating image, that can pass through objects, out of water too (though I'd much rather have him sitting on his sofa back on Tatooine than on an old log in a redux of that film).