Just to follow on with the OPs question, I don't understand it as well. Given this example and considering yourself as a self-utility-maximizing-agent (just as

Just to follow on with the OPs question, I don't understand it as well. Given this example and considering yourself as a self-utility-maximizing-agent (just as a company considers itself), why would it be bad to walk away from 1 job to another when you are being rewarded with some financial gain that warrants it? Eg. Working for a sweatshop earning $20 an hour and then getting a chance to work for a high-end firm that offers remote-working at $80 an hour? Are you that bad for leaving?