Is this a plot hole?
His scribbles were that of someone with an IQ of a 6 year old. He couldn't string together a coherent sentence. His notes on jokes were really bad.
Yet when he spoke on the murray show he was very articulate and insightful. He went head to head with a man who's job it is to debate people and was the victor.
I kind of feel like in a lot of movies they want to have their cake and eat it too. But it creates a glaring plot hole.