The author constructs a straw man in a simplified universe that is utterly unrealistic and then proceeds to defeat this straw man. Most real teaching is not don

The author constructs a straw man in a simplified universe that is utterly unrealistic and then proceeds to defeat this straw man. Most real teaching is not done as it is described in the text. That is why there is nothing readworthy in it. It is probably a hidden form of marketing to buy the books they are selling.