If someone wants to pick up a book and take it literally, then that is their personal pitfall. I can see the point about him selling products through his publications to generate income, and how those products may not do what he claims because no real diagnosis has been made; people might read and say 'I have that ailment, I'm going to buy...'. That is just how gullible are manipulated in this world. Those same people would probly respond to a tv advert or documantary in the same fashion and run out and buy the product without research. The author cannot be totally blamed for providing misinformation if people are out there not bothered to further delve into subjects for compounding evidence. I haven't read Kevin Trudeau's literature but I have read other publishings of other authors; and they speak of similar things.