He's a rationalist in the way that he desires truth and to understand.

The interview sections with scientists, economists, politicians, etc., all show that he desires to get beyond the standard talking points and to the numbers, the predictions, and the facts, and he feels that most of the media is failing due to their inability to run the numbers. He expresses that he ends up even more confused than when he started listening to them. Saying "I'm confused" is admirable, in my opinion, especially when dealing with subjects LessWrong banned entirely due to their mind-killing attributes.