The fact that you haven't heard of Donovan tells the world that you're far younger than I (or Zeuszor?) Apollo!
(.....although I think that there have been quite a few cover versions, some fairly recent of this little number.....you know none of them??)
...if you don't get a reply (to what David would see as a "loaded question"....anything that requires any degree of truthful answer IS a "loaded question" for someone who routinely trades in deceit)....then yes, I suppose we'll just have to disappointingly conclude that he's simply rude!
(....when I'd MUCH prefer to be able to conclude from any lack of a reply....that he was in fact, dead!)