Not at all. As the books points out, it only proves that he had the best doping regimen and his body responded well to the regimen. But more importantly, it forces out the gifted riders that refused to be a part of the game. The book gives an example of one good rider who was complaining about doping. The other riders ostracised him and refused to ride with him. He dropped out of the race. There is no way to justify this, or permit it.