I do not think he is intelligent. He was furious that the USSC recognized the individual right inherent in the 2nd amendment. He is for very strict gun control and banning of handguns. He had a relative (brother in law I believe) murdered. He is so intelligent he blames the firearm.
"Willful ignorance" is the phrase that comes to mind in this context, too. Irrespective of a person's IQ or SAT scores, there's something not-quite-sane about refusing to admit facts that contradict one's preconceptions.