The smartest get to make appearances on MSNBC where they demonstrate the falsity of this study with each appearance.
Operating heavy equipment in North Dakota is smarter than teaching generative grammar at Penn.
Vladimir Lenin was an intellectual who fantasized about Marxist revolution while sipping Viennese coffee near the Opera House. We know how that turned out. Pol Pot had a similar affinity for coffee—learning his ideological extremism from the French café intelligentsia on the Champs Elyssee.
Professional thinkers should never be given power. They are imprisoned in their own thinking.