Weird, had to check to make sure you’re right because that’s not what I remember, but yes it’s there (but only for the same reason it’s there in Avengers - the film was still distributed by Disney).
That’s certainly possible. Either way, anyone who doesn’t think Disney will start doing 4K releases of their own at some point is just fooling themselves.
Also my main point ended up being that it’s important to remember that Disney released the Phase One box set even though they only originally distributed one of those films, which is promising for SW.