Another take on this, of course, is that 1/7th of the society were the idle rich and the rest were slaves, which may have far more in common with the present da

Another take on this, of course, is that 1/7th of the society were the idle rich and the rest were slaves, which may have far more in common with the present day than you are letting on. The only way your analysis makes even a little sense is to view the slaves as non human. Which conveniently ignores the entire thing everyone is actually afraid of, which is concentration of ownership of productive capital.