I know this is probably an ad hominem but isn't Gaiman the guy who wrote Doctor Who episodes? The worst sci-fi show ever.
Doctor Who is one of my favourite shows (top five, higher if we count only shows that are still running.) I don't know to what extent knowledge of our different preferences regarding Doctor Who could be used to predict differences in our evaluations of the rationality of a given Gaiman quote.
Oh I completely agree. It's just my experience of Doctor Who has been that it's a well of irrational story lines. For example why would the TARDIS have a soul?
Here's the new thread for posting quotes, with the usual rules: