Once upon a time, LessWrong was a place where you'd be told to Read The Sequences before you'd finished your second comment apologizing for wasting time with non-constructive praise in the first.
Although the culture of rationality has changed greatly since the olden days, and our teachings are dispersed in many offspring movements, some remember good old-fashioned rationality with the same nostalgia MIRI computer scientists long for the days when AI was a science.