Nobody wants to be a SLAVE any more. These Sociopathic Oligarch Pigs, and their insipid minions, have intimidated American workers for generations, taking more and more and more, and returning less and less and less. Today, people are onto them, and more and more workers aren't being intimidated any more.
It's the simple Law of Supply & Demand. They're not supplying enough to entice workers to meet their demands. Pay enough, and people will work. Don't pay enough, and they won't, it's as simple as that.