Louis XIV reactive absolutist reign owes much to la fronde upheaval that would have granted new powers to the parliament and the judiciary. The defeat of la fronde "exiled" progressive thought to the parlors (the salons) and the province. The fables of La Fontaine are political treatise, just as the careful extraordinary works of the Bordeaux landholder Montaigne.
It is fitting that Louis XIV left the state in shambles. His reign simply postponed an inevitable revolution.
I do find that qualifying any major intellectual movement as elite is reductive and somewhat a tautology. There are simple requirements for philosophical speculation in periods of repressive zeitgeist- education, free time, a minimum guarantee of livelihood, a tolerated or clandestine network for the diffusion of works, a knack for dissimulation. It is rare that a serf or peasant could fill the bill. In the rare occasions someone rose from the lower classes, usually through the Church, he or she became "elite."