Your speculation comes off as disgusting cope. Wage labour was well established in Rome, and we have receipts recording wages paid the labourers to build the p

Your speculation comes off as disgusting cope. Wage labour was well established in Rome, and we have receipts recording wages paid the labourers to build the pyramids. But given the life expectancy for some of the sugar islands was measured in just months/years before dying of horrible diseases, there could be no functioning wage market. So the powers-that-be resorted to mass kidnapping and slaving, like any other bandits and kings when they run out of gold.