One difference is that the init system is not especially user facing.
(It can be, but that means it isn't working very well)
(It can be, but that means it isn't working very well)
service ssh restart works fine but that was fine in sysvinit as well..
service my_service restart
required writing 100+ shell scripts, each of which was error prone and difficult.This happened to me once. Never again, damn it.