Quick! Get Bertrand Russell, Linus Pauling and this guy and put them in a room together so they can solve the world’s problems.
There are reasons why people like this fellow are not running the country. “Everyone else is stupid” is not one of those reasons.
The interview is a good illustration of a life principle: most people, even very smart people, have limited competence in areas outside of their primary area of expertise (typically, what they do for a living). Usually, the farther afield they go, the less they know. Wiser people understand this. Some extremely smart, accomplished people do not. There is a lot of wisdom in William F. Buckley’s famous quip about how he would rather be governed by random people selected from the Boston telephone directory than by Harvard faculty members.