I think we're learning more and more about diet and nutrition every year. I don't think we've uncovered everything there is to know about optimal diet for the human machine, and I think people are sort of finding out on their own that their individual physiology has its own needs.
No two people are ever alike in other words.
The pulse feast idea amazingly is natural for me. This is coming from a guy who has literally eaten 6 meals a day, 365 days a year, for decades. That diet has proved successful to me, but I am actually liking the pulse feast so much better. After all this time.
But it might not be everyone's cup of tea. For example....I simply cannot do the pulse fast. Psychologically, I literally cannot do it. The pulse feast on the other hand is something I definitely can do, and have been sort of doing my version of it before this article came out.