"Instructable is entered in at least one contest. You may not unpublish a contest entry."
(The contest was closed and the winners awarded, so I infer that an entry can't be unpublished ever after having been entered in a contest?)
Well, fair enough, but you can't stop me removing the content. This 'ible was a tacky joke that was appropriate for a few weeks around Halloween but it's not an image I want permanently associated with my account.