So changing an implementation detail how the support for sysvinit scripts for systemd works means they "removed everything they could"? That's a strange way to

So changing an implementation detail how the support for sysvinit scripts for systemd works means they "removed everything they could"? That's a strange way to put it. And if "apt-get install sysvinit-core" is not trivial for you, then yes, you might need a special distribution doing that for you.