Of course, if you click on his profile you see that is his goal.
"No one should join this group or come to these meetings. If they do, their ideas will be attacked and they will be overwhelmed by adverse reaction from dozens of people who think nothing of making people change their minds about their most cherished beliefs."
Yes, I expect you guys would be a little mean if a real-live HIV denier showed up at a meet-up.
You don't think he's joking? That paragraph ends with
"They have no respect for the opinions of accepted experts and seldom quote Ovid in the original, so just don't bother to attend."
Overcoming Bias / Less Wrong meetup in the San Francisco Bay Area at SIAI House on January 15th, 2010, starting at 7PM.
Robin Hanson and possibly Michael Vassar will be present.