He has read at max 2 books on the topic. I know this first hand from him admitting that if he didn't read them before his speech, he'd feel like a fraud. Furthermore, he didn't write the speech.
Make sure to keep those expectations comically low that way you won't get disappointed.
Unfortunately it's worse than that. If he's challenged in an interview and he's the new poster child for libertarianism, will set back the movement considerably.