Wednesday thread: Herschel Walker campaigns on being "not that smart"

What does it say about the Republican Party, and the American electorate, that "not smart" is presented as a positive?

Georgia Republican Senate candidate Herschel Walker, in an attempt to lower expectations for his upcoming debate with Senator Raphael Warnock, announced that he’s just a “country boy” and “not that smart.” And he added that Warnock is “that preacher” and a “smart man” who “wears nice suits.”