Crocker's Rules didn't give you the right to say anything offensive, but other people could say potentially offensive things to you, and it was your … - Eliezer Yudkowsky

The people I know who seem to make unusual efforts at rationality, are unusually honest, or, failing that, at least have unusually bad social skills.

People go funny in the head when talking about politics. The evolutionary reasons for this are so obvious as to be worth belaboring: In the ancestral environment, politics was a matter of life and death. And sex, and wealth, and allies, and reputation... When, today, you get into an argument about whether "we" ought to raise the minimum wage, you're executing adaptations for an ancestral environment where being on the wrong side of the argument could get you killed... Politics is an extension of war by other means. Arguments are soldiers. Once you know which side you're on, you must support all arguments of that side, and attack all arguments that appear to favor the enemy side; otherwise it's like stabbing your soldiers in the back — providing aid and comfort to the enemy.

There are no surprising facts, only models that are surprised by facts; and if a model is surprised by the facts, it is no credit to that model.