Doesn’t answer ‘why,’ though. ‘Why’ is asking for the reason it changed from only ice cream to ice cream and food.
You didn’t ask if DQ had changed from ice cream only to ice cream and food. You knew the answer to that. You were asking for the reason they made the change.
I disagree with your premise.
Why?
It didn’t used to be, but that’s how it is now.
Doesn’t answer ‘why,’ though. ‘Why’ is asking for the reason it changed from only ice cream to ice cream and food.
You didn’t ask if DQ had changed from ice cream only to ice cream and food. You knew the answer to that. You were asking for the reason they made the change.
I didn’t know that they used to not sell food. All I know is that I didn’t expect them to sell food.