I wonder how much surplus calorie intake in the US is related to weekly grocery trips where you store hundreds of thousands of calories in your house at any tim

I wonder how much surplus calorie intake in the US is related to weekly grocery trips where you store hundreds of thousands of calories in your house at any time. It's one of the first things that stick out when I live somewhere walkable where I can walk to the corner shop for a can of beans and avocados on demand, and I can keep my fridge/pantry quite barren of perishable food. For example, in the US, even buying a bag of ten apples from Costco means I'm probably going to eat five apples today. Versus picking up one apple on my walk back home when I feel for an apple.