I don’t see any issue with the creation of fake scores for nonexusting movies.
Like you said, Thor. It has that juvenile flair of that alternate fan universe, kind of a genre tribute.
Why not?
What was Joel McNeely’s Shadows of the Empire different than a fan’s soundtrack for a non-existing movie?
In the composer thread on JWFan.com Fans are sharing excerpts of their scores for imaginary movies all the time. What’s the problem?
It’s a little bit like these old science fiction illustrations for stories never told. In art there should be room for such stuff.