Bug#764186: Can't remove systemd

[Roman Tsisyk]

Package: systemd
Version: 208-8
Severity: critical

I have jessie + sid + experimental configuration installed with
scrupulously configured pins (jessie = 800, sid = 650, experimental =
600).
I've never installed systemd **manually** since I don't plan to use it.

Today I rebooted my desktop and realized that systemd was explicitly
installed instead of sysvinit.
I tried to remove it, but dpkg has failed:

```
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  systemd*
0 upgraded, 0 newly installed, 1 to remove and 1114 not upgraded.
After this operation, 6,058 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 178974 files and directories currently installed.)
Removing systemd (208-8) ...
systemd is the active init system, please switch to another before
removing systemd.
dpkg: error processing package systemd (--purge):
 subprocess installed pre-removal script returned error exit status 1
Failed to issue method call: Unit lib-init-rw.mount not loaded.
Errors were encountered while processing:
 systemd
E: Sub-process /usr/bin/dpkg returned an error code (1)
```

I wonder who and why added this unstable buggy package to Recommends?
Please fix or remove this package and stop to recommend yet another
bugware from RedHat.
Thanks!

-- 
WBR,
   Roman Tsisyk <roman at tsisyk.com>