Following the decision of the Debian maintainer for systemd that it is OK for an init system to get the ability to randomly nuke /home and /srv, I started a migration away from systemd on my server.
The first step is migrating my systemd-nspawn containers to LXC containers, and it is surprisingly much easier than I expected!
Of course it helps that I can keep using the network bridges I had set up for the systemd-nspawn containers (I did not want to rely on systemd-networked at the time, and I am grateful today