It does kids no favors and sets them up for a potential lifetime of poor health and social embarrassment to excuse them from family meals of real food. Everyone benefits from healthy eating but it is particularly crucial at the beginning of life.
Let's say a Soviet exchange student back in the '70s would go back and tell the KGB about people and places and things that he'd seen and done and been involved with. This is not really espionage there's no betrayal of trust.
