The Tower of Babel would reach into heaven. But this tower could not be completed because of confusion and the fact that workers did not speak the same language. This also applies to sports nutrition discussions.
Claims that ketogenic diets improve performance are not based on evidence. There may be adaptations that are interesting and there may be theories that require further study but this blog lists the facts and the studies we have at the moment.
"My connection is with Professor Asker after I ran the London Marathon a few years back. Prof Asker helped me to try to get the best out of my abilities. He tested me in Ethiopia during training and after training, everything; and worked out my fueling plan. I am very grateful for his help."
Haile Gebrselassie (Ethiopia) "Greatest distance runner of all times" 27 World Records