Darkmatter2525[1] explains punitive prison systems (5min 43sec - 11min 43sec).
Click this link[2] to watch only the relevant part of the video.

Link(s):
1: https://yewtu.be/channel/UCLhtZqdkjshgq8TqwIjMdCQ
2: https://yewtu.be/watch?v=LX2VeWumRQ8&dark_mode=true&autoplay=1&start=343&end=703