That's the claim. It's true to the extent that the stuff in the middle of the store tends to be engineered for hyperpalatability by jacking up sugars/carbs and

That's the claim. It's true to the extent that the stuff in the middle of the store tends to be engineered for hyperpalatability by jacking up sugars/carbs and fats. But it's not true in the sense that ultra-processing for shelf stability is somehow bad for you. That's the naturalist fallacy. You can easily compose a straightforwardly unhealthy diet by sticking to the outside of the store!