I guess if you take a wide enough lens, the west lives in the civilization founded in Rome. There's no political continuity, but there's a reasonably coherent cultural trajectory going back a few thousand years.
Do we think that there is going to be a major break from that?
Something more dramatic than the fall of the Roman Empire then? I doubt it. But we definitely have a potent cocktail on our hands.
The scariest ingredient as I see it is AI. Overproduction of elites is always a destabilizing factor, and much of the well educated workforce may now turn out to be overproduction.