My dad has an officially tested IQ of 146 and believes evolution is a lie. Being smart often doesn't make you right, it mostly makes you more effective at believing what you believe.
Intelligence with low openness and high agreeableness just results in one being able to more thoroughly justify and rationalize whatever identity-bound-belief you have
Fair enough. I feel like both high openness and low agreeableness are the critical parts for releasing deeply held beliefs but maybe openness is more important, idk