Adult Onset Retardism.

No. Have you ever met someone who was liberal in their youth, and embraced conservatism as they gained wisdom in life? I have. That's pretty much my path to conservatism. Have you ever met someone who went from conservative to liberal? Not likely. Mr. Kanazawa's theory is rooted in the belief that Liberalism is a more intelligent ideology. The fact that he believes this not only shows an innate bias on his part, but a (not very intelligent) willingness to discount the ideologies of those who do not believe this as well.