User blog comment:Sannse/Community Central Admin and VSTF changes/@comment-1714831-20111220143833/@comment-26686429-20111220144053

"Many wikis leave inactivate or departing admins in place" is the full quote, it doesn't make any sense if you take half of a sentence.

It refers to the fact that quite a lot of wikis let admins who've gone inactive keep their admin rights, Sannse is explaining why that's not the case on central.