The 'problem' is introduced by you. The subtitle is "The glittering city-states of the Persian Gulf fit the classicist Moses Finley’s criteria of genuine slave

The 'problem' is introduced by you. The subtitle is "The glittering city-states of the Persian Gulf fit the classicist Moses Finley’s criteria of genuine slave societies" and https://en.wikipedia.org/wiki/Slavery_in_the_21st_century https://en.wikipedia.org/wiki/Slavery_in_the_21st_century which expands on the topic worldwide, isn't about working long hours in a white collar job.