If you’re a regular internet user the Personal Data Storage paradigm won’t move your data from the cloud to your personal computer. Most people will still rely on an institutional cloud service, but instead of data-banking with a shareholder-controlled corporation people’s data can be entrusted to the equivalent of member-owned credit unions for data storage.
Agreed! I’m working on converting my wife and the rest of my family to Linux. I got a nextcloud server set up, alongside Grocy, Jellyfin, and a few others. So far, it’s made our lives better! It works better than our Google calendar. Everyone has their own accounts and things are rarely breaking. It’s so nice.