Or even when you have to ask. Because nicer areas will give you enough extrra if you ask, poorer areas, especially in the hood, will not.
But if you are eating "nuggets" at a fast food place regularly, the industrial toxic preservative laced (sodium benzoate usually, in fast food condiments, not most of the same store bought ones,) dipping sauce availability isn't your biggest problem.
It's garbage food, ok for a munchies attack here and here, but not regular eating.