I don't think systemd is meant to be fixed or modified, unless you are actually contributing to the upstream systemd project and have accepted that it will be a

I don't think systemd is meant to be fixed or modified, unless you are actually contributing to the upstream systemd project and have accepted that it will be a time consuming project. It seems to be made for, and works well for, a modern ephemeral infrastructure workflow. Build stuff to work with an unmodified distro, wipe it and reinstall if it goes wrong.