That has to do with the fact that the entire American chicken industry is exploitative to the people raising the chickens as well as the chickens. Since the factory is both the hatchery and the processing plant, the farmers never even own the chickens. They're more like babysitting them by taking out a loan from the bank. They get squeezed, default, and somebody else comes along to keep it up. Reasonably this sort of business practice should be outlawed as anti-competitive.