The Obsessive Calorie Counters of Reddit

Note: Article is from 2019.

While the risk of nutritional deficiencies when tracking 1200 calories/day is higher, it's possible to make choices with whole foods that are satiating and satisfy daily micro-nutrient requirements despite low calorie intake.

For instance, for a 1500 cal/day diet, the following mealplan is quite a bit of food:

Sample Lunch: https://i.imgur.com/ZTeKsX4.png

Sample Dinner: https://i.imgur.com/sX2g5dL.png

Daily nutrition tracker: https://i.imgur.com/YrGjSQJ.png

With the things GPT is doing, why isn't the photo-to-calorie service not perfect yet?