Earlier quoted context omitted.
What stops my employer from potentially disciplining or firing me is first of all, that I am good at what I do, and second that I negotiate from a position of strength. If my employer wants me to work off hours, I mean maybe I will, if I don't have anything going on, and I'll take some time the next day where I won't work as compensation for doing that, I won't ask permission. If I do have something going on, I'll sa…
Sounds like you live in a world of incredible privilege. Not everyone is so lucky.
If the employer is abusive, find another job. If you are paid a large salary to be a slave to company, consider finding a job with a better work/life balance.