Eliezer's post looks to me like:

How not to post a meetup:

Don't ask. It doesn't work when you ask.

How to post a meetup:

Pick a time, pick a place, commit to being there with an identifying book (like Demon-Haunted World or something). Worst case, nobody shows up. If anyone prefers meeting in another time or place, they can say so in the comments.

I am not seeing the problem here.