The concept of the keto diet seems easy enough.
Eat very few carbs and more fat than protein.
The reality, at least for some keto dieters, is that the “simple” diet actually involves a great deal of calculating, strategizing, and negotiating.
To simply call the keto diet a low-carb diet entirely misses the emphasis on fat. That fat focus is what sets keto apart from other low-carb diets, including the Atkins diet.