While companies should definitely be doing something about this, at the end of the day it is our responsibility to look after ourselves. Too many people tolerate this type of treatment out of fear. I understand that this is easier said than done, but I do not think the situation will change much unless people start standing up for themselves.
Remember the number 1 regret Bronnie Ware observed while caring for people in the last 12 weeks of their lives: I wish I'd had the courage to live a life true to myself, not the life others expected of me.