"""
The barbarian role of cultural demolition crew is especially important when you consider how often cultural reconstruction is needed. Many of Rome’s glaring defects — exploitation, authoritarianism, corrupt self-aggrandizement — flow from deeply human tendencies. Time and again they’ve transformed promising civilizations into decaying, oppressive monstrosities. Time and again, history seems to cry out: Bring on the demolition crew! And time and again barbarians cheerfully respond to the call. Their previous massive wreaking of destruction, near the end of the second millennium B.C., had come after civilization went through centuries of apparent ossification.
In a way, barbarians are just a special case of that general and potent zero-sum dynamic in cultural evolution: brutal competition among neighboring societies. This rivalry renders ossified cultures vulnerable to a makeover, minor or major. They may be taken over by a vast neighboring civilization, which will revamp them in its image. Or they may be infiltrated and perhaps even disassembled by barbarians, paving the way for future reassembly. Or they may revive and prevail — an example of the “challenge and response” dynamic stressed by Arnold Toynbee. In any event, the point remains the same: however deeply human the tendencies of exploitation, authoritarianism, and self-aggrandizement, cultures that surrender to them may not be long for this world.
"""
(Robert Wright, Nonzero: The Logic of Human Destiny)
Is it time for the barbarians now? Or perhaps we — here on Fedi — are the barbarians.