That surprises me. I always figured that that was only to check for crude usernames or duplicate email addresses; I had no idea there was a thorough vetting process. Technically, though, Lee's account is the thousandth to sign up, not the thousandth member. The way I see it, if your account wasn't approved, you're not a member.
In response to Taeylor, Jonathan Frid posts occasionally; that's all I know of.