I agree that whole foods are emphasized, but since when are macros not involved? Mark's whole weight loss formula is designed around CARBOHYDRATE RESTRICTION.
From Mark's Notorious Carbohydrate Curve:
50-100 grams/day – Primal Sweet Spot for Effortless Weight Loss
Minimizes insulin production and ramps up fat metabolism. By meeting average daily protein requirements (.7 – 1 gram per pound of lean bodyweight formula), eating nutritious vegetables and fruits (easy to stay in 50-100 gram range, even with generous servings), and staying satisfied with delicious high fat foods (meat, fish, eggs, nuts, seeds), you can lose one to two pounds of body fat per week and then keep it off forever by eating in the maintenance range.
150-300 grams/day – Steady, Insidious Weight Gain
Continued higher insulin-stimulating effect prevents efficient fat burning and contributes to widespread chronic disease conditions. This range – irresponsibly recommended by the USDA and other diet authorities – can lead to the statistical US average gain of 1.5 pounds of fat per year for forty years.
*This 150-300 grams/day is the range I have been eating in the past 6 months to lose the extra fat I gained on Primal, as well as to heal the other health problems I developed eating that way.
I don't follow the PHD exactly either; neither they or Mark advocates sugar, which I use liberally. However, PHD suggests eating a POUND of safe starches and a pound of fruits and sugary vegetables. That is VASTLY different than Mark's approach, which instills fear and phobia of insulin spikes.