Really, bookbinder? You have read the way he answers everybody in a childish, know-all way that actually says very little? Well, if that's what you want, go ahead but here in crosswords, when somebody has given the answer that should be the end of it.
Llanfair, I agree with you, but, really, there's always room for a bit of a laugh, a bit of silliness, I think, and PP provides that. If we were all serious in the way that we answered questions, the world would probably be the poorer.