I don’t see that as a problem nowadays, more and more the desktop side of things is moving to cloud native, you got all sorts of containers for apps not packaged in your distro repos, containers like flatpak, snap, appimage etc…, and if you just want something available in other distro you could use distrobox.

It’s quite cool and if it means developers spend less time packaging stuff and more improving Linux as a whole I am all for it.