It’s interesting, if you go down near the bottom you see some people with both A’s and D’s.

According to the ratings for example, one person both had extremely racist ideas but also made a couple of accurate points about how some tech concepts would evolve.

That is interesting because of the Halo effect. There is a cognitive bias that if a person is right in one area, they will be right in another unrelated area.

I try to temper my tendency to believe the Halo effect with Warren Buffett's notion of the Circle of Competence; there is often a very narrow domain where any person can be significantly knowledgeable.