The contrast is that FAPTs do not require favorable choice-of-law rulings to function as intended, since a presumption behind those trusts is that the foreign jurisdiction where the trustee is based is not going to honor U.S. law or court rulings anyway.
Another potential rub in welcoming world finance is the rule-of-law problem: Capital markets function on trust, and welshing on derivatives contracts, for example, is not conducive to bringing big money to the mainland.
But the Food and Drug Administration does not prospectively review food claims because American law says that foods are allowed to affect the "structure and function" ofthe body, so long as they do not actually claim to treat disease.