User blog comment:Dopp/Technical Update: May 17, 2011/@comment-3312380-20110519121816/@comment-26686429-20110519154424

There's no harm in keeping inactive users as sysop, as long as there's someone there to do sysop work, not all the sysops need to be active all the time.

People get burnt out, a break could be exactly what they need - taking away rights is counter-productive in this case.