"reasonable suspicion" is a term of art, not a new thing that was just invented by the court. There is already an abundance of case law that explains what can count as reasonable suspicion and what can't. Refusing a voluntary search is not enough for reasonable suspicion.

Here's an explanation of reasonable suspicion in comic form (part of a larger chapter on 4th amendment law): https://lawcomic.net/guide/?p=1833

It's a trial court opinion, so quite possibly not much, depending on what precedent gets set on appeal.