I would suspect that values, whether national or universal, are more effectively inculcated through propaganda and repetition rather than education. While martingale notes that education had not reached present day levels in the 18th century Europe, the French citizen, for example, was systematically exposed to the words liberté, egalité, fraternité as slogans or signs. Their presence on monuments and buildings calls the formula to one's attention. Such signs became internalized and fundamental to public discourse. Perhaps one could call them "public axioms" such as the ubiquitous word "God" in the USA today.

While education is far more substantial in "fixing" ideals and values, cultural signposts serve to ground that knowledge as a shared experience. Without public recognition of values, they become a private experience. A sort of deregulation or outsourcing toward sporadic and local selfish charities.