If farm workers were making $100 an hour and there was billions to be earned nation wide, we'd see "Farmer" be a valid H1B Visa job. More income means more tax

If farm workers were making $100 an hour and there was billions to be earned nation wide, we'd see "Farmer" be a valid H1B Visa job. More income means more taxes and the government, businesses involved and workers (foreign ones if US ones are too lazy) are all incentivized to make this production happen.