With so many experiments, with such passionate advice, you want to believe this guy. So people will attribute their failures to themselves, not to this wonderful 'superman' hero of a nice guy.
Well guess what- you can't invalidate decades of research on sleep, nutrition, and physiology with one book. You can confuse the issue yes, but principles like making calories out exceed calories in, and 3-or-more per week cardio sessions are here to stay. There are no shortcuts. Smarter ways, yes, but in this book of shortcuts, surely one of them will make sense to a reader, most will not, and the reader will forgive and call the book 'pretty helpful'.
It'll sell a million copies. But it won't change millions of lives. Focusing on the fundamentals, not the tricks, will result in more substantive changes for more people. People will start following his experiments in January and be fat again by March, unless they get to the root of why their lives are unhealthy.