In the end you could use any distro which desktop you like (which could be Debian stable, or something immutable) and then get your applications from the latest and greatest with Distrobox

The first layer in that docker container is actually KVM. So you run the container to run kvm, which then emulates osx.

The article says:

The Nokia G22 will cost from £149.99 shipping on 8 March with replacement parts costing £18.99 for a charging port, £22.99 for a battery and £44.99 for a screen.

Another +1 for restic. To simplify the backup I am however using https://autorestic.vercel.app/, which is triggered from systemd timers for automated backups.