Each one of his sequence posts represents a concept in rationality - so he has many more of these concepts than anyone else here on LW.
(I just noticed there's some ambiguity - it's the largest amount of rational concepts, not concepts of the highest standard of rational. [most] [rational concepts], not [most rational] [concepts].)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
If continuing the discussion becomes impractical, that means you win at open threads; a celebratory top-level post on the topic is traditional.