It doesn't appear to be censored in this thread, but it was historically censored on LessWrong. Maybe EY finally understood the Streisand effect.
He might do it less for the "danger" and more for "bad discussion". The threads I see on /sci/ raising questions about high IQ come to mind.
Well, most threads I see on /sci/ come to mind.
Todays xkcd
I guess there'll be a fair bit of traffic coming from people looking it up?