Who cares if it's supported or not, the Debian devs didn't care whether users wanted it or not in the first place. Can have a link to some examples of 'user debugging weird behaviours'?
My own experience recently: installing systemd on a Debian testing system fixed the following two bugs I had: - I couldn't control network-manager from nm-applet any more for lack of permissions. - upon wakeup from s2ram, the wifi wouldn't reconnect (it would stay in the state it was before sleeping, thkning it's still connected, but with packets not going anywhere), so I had to kill&restart network-manager every time. Obviously, if you don't use network-manager, you won't be affected.
Stefan