Quoting Didier Kryn (kryn@???):

> Here, AFAIU, systemd is different, it requires daemons to
> communicate with it using its own library, so that it forces itself
> into all the daemons.

I am reasonably confident that systemd in its role as an init can start
and stop services that have no dependency on its libraries. (However, I
am not well informed on that subject however, because I've mostly
avoided systemd.)

> I'm sure we agree, just cheating on details :-)

D'accord. ;->