"Here are some charity donated food vouchers. You can only isethem to buy food from KFC, McDonalds, or IHOP. Of course you can use them to buy any food you like, but that will cost extra".
That is exactly how most foreign aid to developing countries is given. Germany will give Malawia money to build a dam, but they have to pick a German construction company and engineering firm.
Please feel free to be so flippant several years from now when you are obese, undernourished, and diabetic; as well as being financially dependent on food assistance.
