It only takes a few pages to describe how to be rational. Cataloging the many ways people tend to be irrational, so they can detect and defeat their own biases,

It only takes a few pages to describe how to be rational. Cataloging the many ways people tend to be irrational, so they can detect and defeat their own biases, creates most of the word count. "Less Wrong" is apt, because it's organized around how people tend to be wrong. Once you have nearly a million words about what's wrong with people, I suppose it needs a little narrative sauce or it'd be massively discouraging.