Anyone not in the mood to purchase and read can also access countless lectures by the likes of Taubes and Lustig.  Blaming calorie intake is beside the point, I agree, it's the carbs.  They make us hungry so we eat more calories.  And Taubes and Lustig explain why (sometimes in excruciating detail for those of us who aren't so great at chemistry and biology, but it's still a good listen!)