i’m not informed much either, but here’s what i gather; it’s centralized around the proprietary Snap Store and you can’t run your own Snap repositories, Snap apps take ages to start up, and each Snap app is mounted as a separate partition (???). there’s a whole bunch of technical issues that go over my head too, and Snaps have seen so little adoption that Canonical basically had to twist the arms of flavor maintainers to drop Flatpak support and support Snap out of the box. it’s evidently so bad even Ubuntu’s official flavors wouldn’t support it until Canonical forced them to