Such situations usually correct themselves violently.
Historically, they did because everyone's capacity for violence was equal.
What about now that the best the average person can do is a firearm against coordinated, organized military with armoured vehicles, advanced weaponry, drones, and sooner than later, full access to mass surveillance?
Also, how will a revolution happen once somebody trains a ML model end-to-end to identify desire for revolution from your search and chat history and communication with like-minded others?
Assuming the intent isn't prevented altogether through algorithmic feeds showing only content that makes it seem less attractive.
This is so wildly ahistorical I'm immediately suspicious of your intentions.
The US alone offers plenty of counterexamples from the last ~50 years.
> capital is the only thing separating one set of humans from the other, and that separation is large, and the overwhelming majority of humans are in the underclass.
Obviously, it's a matter of degree. You could reasonably argue that any capitalist society meets the criteria depending on your definition of "large", and depending on how you interpret the "capital is the only [sic] thing" part
Then again, maybe this is why Brazil finds itself in this steady state of economic inequality and endemic violence but without critical mass for a civil war: the same diversity that makes Brazilians apt at navigating conflicts is what makes us incapable at finding a common enemy and building an united front?