There's definitely a case to be made for this but there are also very strong historical counterexamples. Rarer perhaps systemically but systems of knowledge have flourished under oligarchies, monarchies, theocracies, etc.
agreed. and these practices are example of how powerful the impulse to share and create are, not simply romantic indulgences but things intelligent people find the courage to do in the face of torture or death
there is a difference between maximizing cost and what we should do. that is, if you are not a utilitarian. Taking such radical utilitarianism for granted will limit the scope of your audience and persuasiveness of your argument
would be helpful to use an example of vestiges of the Agrarian/feudal system that slowed transition to industrial. Understanding that transition would help us better understand our own from industrial to digital