US prison labor is cruel and pointless legalized slavery. I know first-hand

It costs New York around $70,000 a year in taxpayer money to imprison someone. It costs the BPI about $10,000 a year to educate an incarcerated student. New York's recidivism rate is 40%, while graduates of the BPI and similar programs recidivate at only 4%, a tenfold decrease. Yet, despite its clear positive record, only 300 of New York's 30,000 incarcerated people are enrolled at the BPI in any given semester. I was one of a lucky few. 

Prisons are designed to warehouse, traumatize and exploit people, then send them back home in worse shape than when they entered the system. Despite having worked every day, the vast majority of people are released with no job experience, no references and no hope. Some would take this to mean that the system is failing. And it is with regard to public safety, rehabilitation and justice, but it's horrifyingly successful at two things: guaranteeing jobs for some and perpetuating slavery for others…

https://www.theguardian.com/commentisfree/2023/sep/22/us-prison-labor-is-cruel-and-pointless-legalized-slavery-i-know-first-hand