Only within topics where he has developed a sense of self-critique. It's commonplace for people to have a strong ability to be able to work through a situation rationally when it's not also tied to something in their emotions. And when someone has developed expertise they also have a common understanding with other experts. So NDT can speak with some authority on some science topics that he has directly studied. That does not make him a political scientist or philosopher, though, or even a competent student outside of his field.