Their answer is supposed to be perfect economic information and all actors acting rationally and fully informed in all transactions. We have seen cultures adop

Their answer is supposed to be perfect economic information and all actors acting rationally and fully informed in all transactions. We have seen cultures adopt and change wildly, quickly, and fundamentally - just look at Russia, China, Japan, and Germany in the last 100 years - but the real libertarian breakthrough would be a reproducible way to shift a nations conscience to perfect information and absolute rationality in all business affairs.