I bet Jagex put it there as a joke, it went something like this..
Worker1: Hey Tim, watch me make this one of the recovery questions.
Worker2: *Looks* BAHAHA, yeah do it, I bet no one will use it.
Worker1: Hey Frank, look at this!
Worker3: What the hell do you want, I'm working.
Worker1: Look!
Worker3: What am I looking at.. BAHAHAHAHA!