You would have a point if the recommendation was a minimum daily intake. It’s not. It is a maximum. A recommended limit that you should not exceed.
The USDA recommendation is that sugar should make up no more than 10% of total caloric intake. The percentages you see are based on a 2000 (kilo)calorie daily diet.
That recommendation is perfectly consistent with your assertion that “we can do perfectly well with zero grams of sugar every single day”.
You would have a point if the recommendation was a minimum daily intake. It’s not. It is a maximum. A recommended limit that you should not exceed.
The USDA recommendation is that sugar should make up no more than 10% of total caloric intake. The percentages you see are based on a 2000 (kilo)calorie daily diet.
That recommendation is perfectly consistent with your assertion that “we can do perfectly well with zero grams of sugar every single day”.