Top down societal organization is impossible
Big, complex, self-referential systems like markets and the organization of a society cannot be effectively planned or controlled in a top down way. This was one of the major lessons form the 20C. Bottom-up emergent solutions (markets, democracy) more more efficient and effective.
Follow-ups
- Even if top-down planning were possible, Libertinism could be the best strategy if there is any uncertainty on the best course of action. Libertarianism-optimal-under-uncertianty
BlackSwans often dominate the behaviour of these systems.