Plenty of my family use linux (with gnome) because of me, but with Linux always the biggest issue is they don't know how to install an operative system (1. Create usb,2. boot in it,3. install it) As easy it is, non-tech people are always are afraid of doing it, even partition is not a general concept.
The second biggest issue with gnome without dash to panel is too alien for them, they need to see what applications are open (me too...), the app menu is ok, they have phones.
I believe this is distinctly different. Fedora Silverblue allows you to install packages through rpm-ostree. The idea Adrian presents is that this overlay system is a band-aid for issues in an immutable operating system.
There are several other differences discussed, but it’s also worth mentioning that because solution A exists, doesn’t mean there can’t or shouldn’t be a solution B.
I’m certainly not against having multiple options and don’t expect Gnome OS to be identical to Silverblue.
I was just pointing out that the listed goals of having a distro with the stated goals of GNOME, Flatpak, Robust, Immutable, Secure, Modern, Flexible and Opinionated already exist in Silverblue.