I'm a parent, I guide my kiddos when rationality escapes them. The process itself, parent-child, teaches them how to make their own decisions. Governments can't teach people how to make their own decisions.

The statement that trade relationships must be fair is some sort of neoliberal mumbo jumbo. I don't accept it as an assumption or a consequence. You can accept it as axiomatic if you want, but I don't see it as a consequence of any valid logical train of thought.