I've not had any problems with swapping out systemd-* with other packages, including -coredump, -cron, -oomd, -resolved or -timesyncd. Even journald was fairly

I've not had any problems with swapping out systemd-* with other packages, including -coredump, -cron, -oomd, -resolved or -timesyncd. Even journald was fairly painless to swap out. Unlike systemd itself, the distros' approach them not so much as a core part of the userland, but as lightweight basic implementations that meet many user's needs, but which are in no way a replacement for more fully-functional implementations.