High IQ can't inoculate you from brainwashing. If anything, high IQ leads to more college education, and the modern western academic sphere is one big marxist madrasa. If everyone around you parrots the same talking points and you are only exposed to that view point, you will see the world through that lens. Particularly, agreeable and social people tend to conform more to societal pressures.

Its high IQ and anti social behavior that leads to creative geniuses. Because these people are able to break through the conditioning and take alternate views. Plus high testosterone is also needed as you need balls to go against the grain, and low T impedes with one's sense of justice. Unfortunately, modern intellectuals have no balls, and are encouraged to be effeminate and shed their ''toxic masculinity"