His tactics are snake oil. No question. His other devices, and things certainly fit the bill.
But the actual concept of taking in more fats, versus carbohydrates in a keto way, is not. The science is not particularly mixed.
He had 1 good idea, and then marketed it to spread it. Then tried to monetize it, and through that had no more good ideas, so became more and more snake oil in an attempt to duplicate the success of the first good idea.
