Where I think that John may go wrong is in his analysis of that and there.
No surprise, Palin-speak isn’t pure stupidity. It’s useful to remember that it’s the ones who are easily labelled (and thought to be understood) who are often the most dangerous.
Her demonstratives often seemed qualitatively as well as quantitatively different, in characteristic examples like “Americans are craving that straight talk”. Straight talk was John McCain’s slogan, but “craving that straight talk” was pure Palin.