I know how they were gained. It was through violence. And through violence is how you retain them.
Until the Unions do what they used to do, which was literally dragging bosses out of their homes and beating them to death, nothing will change for the better.
People erroneously believe that talking to CEOs and the Ultra Wealthy will get them what they want. But those people operate near solely on violence. They do no give a single solitary fuck about our words. They do care about their own safety.