But why is it wasteful if you intend to eat a portion of your dinner for tomorrow’s lunch? All the food is eventually eaten. Is it because a small paper box is

But why is it wasteful if you intend to eat a portion of your dinner for tomorrow’s lunch? All the food is eventually eaten. Is it because a small paper box is involved? Would you find it less obscene if everyone carried a reusable food container with them to a restaurant to mitigate the risk of offensive boxed leftovers?