I think you're confusing proteins and carbs. Dietary fiber yes a carb is not a problem as the body typically does not process dietary fiber. You need some carbs

I think you're confusing proteins and carbs. Dietary fiber yes a carb is not a problem as the body typically does not process dietary fiber. You need some carbs in the diet, but have you ever checked the nutritional label? Sugar is a carb. You really only need so much carbs in your diet and that is about 100g to 200g. Varying on age gender and genetic heritage.