It may be true that America has already outlived her expected lifespan. Most societies don’t make it much past 200 odd years.
Redistribution of wealth rather than emphasis on its creation is surely a symptom of aging societies. Whether at Byzantium during the Nika Riots or in bread and circuses Rome, when the public expects government to provide security rather than the individual to become autonomous through a growing economy, then there grows a collective lethargy. I think that is the message of Juvenal’s savage satires about both mobs and the idle rich. Fourth-century Athenian literature is characterized by forensic law suits, as citizens sought to sue each other, or to sue the state for sustenance, or to fight over inheritances.