No, the case of farm workers is much more likely to be the opposite one, where workers are paid so little that they take multiple jobs and increase supply, lead

No, the case of farm workers is much more likely to be the opposite one, where workers are paid so little that they take multiple jobs and increase supply, leading to a low income trap. Every mechanism has regimes in which it fails. 'Supply and demand' isn't always the answer any more than 'mongodb' or 'rust' are always the answer.