A pharma client recently told me: "We moved to AWS European Sovereign Cloud. We are GDPR-safe now." I asked one question: "Who owns the parent company?" Silence. Here is what most people miss: no US hyperscaler sovereign cloud fully eliminates CLOUD Act exposure as of May 2026. Not AWS ESC. Not Microsoft Bleu or Delos. Not Google T-Systems. The European Commission's Cloud Sovereignty Framework, the EDPB, and the French Senate (where US providers conceded they cannot guarantee