It would've taken up too much space to reply to David's comment on his blog, so I took a shortcut approach. Here's what I wrote back:
Here’s my response to your dodgy reply.
By the way, could you forward the e-mail in which George revealed “my” address to you? Just want to establish the truth of your allegation.
Is it enough to just accept David's word on the matter? After all, the claim's on his head. Still, it'd be nice to get actual proof of his claim. The ball's in David's court, now. Let's see if he can back up what he said.