https://edri.org/our-work/eu-plans-allow-big-tech-to-exploit-your-medical-records-without-permission/ E.U. plans to mandate health providers to share health records with a "government agency" who will share it out to random researchers (including tech firms and without a patient's consent).
From an ethical perspective, this is terrifying. This is information which a patient entrusts in confidence that it won't end up in some strange place, whether with a researcher, a tech firm, or a criminal (a centralized store could be breached).