> Playing with other variables besides calories, like the specific foods you pick and the timing of meals, can produce dramatic, measurable health changes and make a huge difference in how hungry you will feel at different times of day.

Exactly. Try to stay under your daily calorie quota eating just processed carbs/sugar and you're gonna have a bad time. Will you still lose weight? Sure, if you can actually withstand feeling hungry constantly. Compare that to the same # of calories from veggies and fat and most people will tend to feel much more satisfied overall. I've been doing keto for 12 weeks along with intermittent fasting and this has been the case for me. I can easily get a sizable daily calorie deficit without really trying and rarely feel hungry.