The bar is low enough that simply getting people to eat less processed foods is a win. We can debate how the liver breaks down sugar, or whether milk should be avoided, but that seems inconsequential when people are eating "hamburgers" where the buns are made from two deep fried chicken breasts.
That said, virtually every major health agency recommends a diet where carbohydrates (from vegetables, fruits and grains) represent the majority of calories. For an individual, under the guidance of a doctor, it can make sense to alter this. For everyone else, just follow the guidelines.
That said, virtually every major health agency recommends a diet where carbohydrates (from vegetables, fruits and grains) represent the majority of calories. For an individual, under the guidance of a doctor, it can make sense to alter this. For everyone else, just follow the guidelines.