In that case it's not, that's a specialized diet, much like cutting out peanut butter for someone allergic to peanuts is a specialized diet. It doesn't mean it

In that case it's not, that's a specialized diet, much like cutting out peanut butter for someone allergic to peanuts is a specialized diet. It doesn't mean it's generally biologically advantageous and that everyone should cut out peanut butter, it means it's what your body needs, and in that case it makes perfect sense.