https://www.techradar.com/news/facebook-will-move-the-data-of-15-billion-users-to-avoid-eus-new-privacy-law

By making a minor change in its terms and conditions of use, Facebook is moving the data of all users outside of the US, Canada and the European Union from its Ireland headquarters to its offices in California, effectively escaping the EU’s new privacy protection law.

This shift in responsibility comes despite Facebook’s promise to protect user data in the wake of the Cambridge Analytica scandal.