then when all the businesses that relied on those people are struggling to fill positions, the camps will start leasing their prisoners to those businesses.

You already have that, since decades, they were just euphemistically called "prisons". Just think about how much money can be made by shareholders of those prison companies (who already cheered) by renting out their S̶l̶a̶v̶e̶s̶ criminal inmates to companies for a 2000% profit margin.

Like, seriously, Hitler or Mussolini would be deeply impressed by the US government. Not exaggerating.