It's no longer that black and white since US v. Carpenter. It needs someone to try it again. In that case SCOTUS did cite Warshak[1], which while not binding over the whole nation, is persuasive and clearly the older 2018 SCOTUS showed their potential interest in ending the Third Party Doctrine:
https://en.wikipedia.org/wiki/Third-party_doctrine
[1] https://www.huntonprivacyblog.com/2010/12/17/court-finds-fou...