and where does that leave the Roman Empire/Republic?

It lasted 2K and held around 80 generations of slaves. So in the tens of millions, perhaps even hundreds of millions. Robbing them from, and inflicting long-lasting disruption on, all the conquered societies in Western Europe, North Africa and Middle East. i

That is why understanding the hard logic and long lasting impact of human energy systems is so paramount. The whole logic, not just the limited woke version of it.