Don't sweat it
I have to admit that I was surprised when the site asked me for a user ID and password this morning. I seem to remember some discussion about making people sign in before posting. I thought that would be an interesting way to implement the feature - ask for a sign on before anyone can get on the site to learn they needed to sign on.
Don't sweat the glitch. I appreciate the efforts that you and Justin go through to run these sites.