Yes read his book.
Discussion
I will 👀
It's interesting because I think it's the CLAs
So one could technically be Vegetarian but has to consume a lot of eggs and raw milk / cheese.
What are CLAs?
Conjugated Linoleic Acid is a fat that exists in grass fed animal fats.
It helps stimulate your metabolic function, so it helps you burn fat.
It also protects you from diseases & cancers.
It's the basic research that jumpstarted the grass fed beef demand - it was never animal welfare alone that motivated people.