"People believe in information that confirms their priors. In fact, if you present them with data that contradicts their beliefs, they will double down on their beliefs rather than integrate the new knowledge into their understanding. " Blog post.
Confirmation Bias, "the illusion of explanatory depth," and "borderlessness" all help explain why this is so hard. "[They see] a little candle for a dark world. If we—or our friends or the pundits on CNN—spent less time pontificating and more trying to work through the implications of policy proposals, we’d realize how clueless we are and moderate our views."
"These days, it can feel as if the entire country has been given over to a vast psychological experiment being run either by no one or by Steve Bannon. Rational agents would be able to think their way to a solution. But, on this matter, the literature is not reassuring."