AN OVERWHELMING MAJORITY OF SCIENTIFIC STUDIES PROVE DEFINITIVELY THAT RIGHT WING BELIEFS ARE HEAVILY CORRELATED WITH LOW INTELLIGENCE:
Bright Minds and Dark Attitudes: Lower Cognitive Ability Predicts Greater Prejudice Through Right-Wing Ideology and Low Intergroup Contact
Low IQ & Conservative Beliefs Linked to Prejudice
Study links low intelligence with right-wing beliefs
Right-wing ideology and numeracy: A perception of greater ability, but poorer performance
Conservatism and cognitive ability
Intelligent people are more likely to be left-wing, says science
People with lower emotional intelligence are more likely to hold right-wing views, study finds
(Taken from pinned comment here)
I have to spend a lot of time in 'Murica, unfortunately
It’s amazing how stupidity isn’t just accepted, it’s celebrated
I know so many extremely intelligent yanks, but the average punter on the street is as thick as pigshit
The worst thing is that this isn’t their fault
It began in the eighties, and has been done deliberately
It began a lot further back than that. Mel Brooks was making fun of this stuff in the 60s.