Ok, but who has the power to enforce this mythical free market against the powerful people who benefit from the current system? Power means never having to say

Ok, but who has the power to enforce this mythical free market against the powerful people who benefit from the current system? Power means never having to say you're sorry. If you're not part of the elite, your only realistic options are to become part of the elite, or to change the game (i.e. create a new elite including you and those you care about) in some way not easily anticipated / countered by the current elite.