Well, in this case the publishing medium is presumably owned/controlled by him since it's posted on http://www.stephenfry.com http://www.stephenfry.com While h

Well, in this case the publishing medium is presumably owned/controlled by him since it's posted on http://www.stephenfry.com http://www.stephenfry.com While he may not have the knowledge to modify the site himself, he could tell the people he's paying to remove the ad. It's most likely the case that he wants the ad.