Hmm. Another very interesting article by Scott Alexander. Ironically, I've found myself in both positions, usually whichever is the opposite of whoever I'm arguing with. :P
@kai Neh, more that things usually go "I think <this> and <that>!" "I disagree with <that>!" "Excellent! Let us focus all our efforts on disagreeing about <that> instead of agreeing about <this>!" "Yes! Excellent!"