And you do not warn them to scrutinize arguments they agree with just as hard as they scrutinize incongruent arguments for flaws. So they have acquired a great repertoire of flaws of which to accuse only arguments and arguers who they don’t like. This, I suspect, is one of the primary ways that smart people end up stupid.
(it also mentions that it’s dangerous to be half a rationalist.
This might be it: http://lesswrong.com/lw/3h/why_our_kind_cant_cooperate/
Excerpt:
(it also mentions that it’s dangerous to be half a rationalist.