Anyone who believed Disney was buying the rights (or more to the point, Universal giving up the rights), was out of there mind.
Everything with this is adding up so far imo. And clearly
something is being budgeted for the time being seeing as there were height test balloons. And those balloons make a lot of sense with what
@Marni1971 has said, in that the building will be extended and possibly seen from guest view.
And yes, I know test balloons doesn't = Green light.