These fullscreen messages are so confusing to elderly people, most of my support calls from family and friends are related to the weird and unpredictable updates and invasive popups, or the consequences from these. I have slowly been moving them, one by one, over to Fedora. I still get support calls, but not related to the OS, more like, "how do I add an attachment to this email, I forgot."
I can see it now... "How do I share my screen?" "Well grandma, the Google Chrome Flatpak you're using defaults to Xorg so it runs in XWayland, which means it can't see the desktop because the rest of your shell is native in Wayland. If you go to chrome://flags and set prefered-ozone-platform to wayland it might work, but some people in this reddit thread also mention you need to install xdg-desktop-portal-gnome so it…
Remote support is a breeze now, and we save the usual 30 minutes of guiding an update of TeamViewer over the phone (because of an old and incompatible version) etc.