Politely put? The guy's a halfwit. Any credibility that he built up should have dissipated with his review of Looper - where everyone pointed out that he clearly did not watch the movie he was railing against. Frankly, you shouldn't be allowed to write a book on screenwriting if you don't write.
I live-twitted a review of the free preview. Didn't seem so bad, though there was nothing new there either. For $10 what's the harm? My problem is his $1000 consults.