On a Christian and philosophical perspective it's much harder to be a virtuous person than solving math or physics problems. A dumb person can be more virtuous than someone like Einstein that admired Lenin. Maybe that's why also many intelligent people don't understand why freedom matters or the ancap ideas.
Discussion
nah, there is a similar distribution of stubbornness as there is intelligence
stubborn and intelligent people who were raised by parents who valued virtue, are the least likely to change or tolerate bullshit
dumb and stubborn and taught bullshit people are the biggest part of those who will be following the satan spawn wise guys who make up the bottom 1/3 of of humanity (on a scale of evil/good
i am naturally stubborn, and intelligent, and i was raised to believe in God and Jesus and though i have strayed in a big part of my life it is like it's in my DNA at this point
being dumb just makes you less likely to change and stray from a good position - or bad