It was obvious from the beginning that the most likely outcome was a unanimous, or close to unanimous, decision keeping Trump on the ballot. The concern about a patchwork of state decisions may or may not have been supported by the text of the Fourteenth Amendment and case law, but it definitely made sense from a practical perspective.
I don’t see much to complain about here. The decision to take jurisdiction of the immunity case is a completely different story. Even if the Court ultimately writes a ringing opinion rejecting the immunity argument, it has effectively, and deliberately, rigged the scales in favor of Trump.