They have their hands on the levers. The have the resources to arbitrage or withhold or defect or take hostages (economic!) until they get what they think they can get.
Same thing will happen with self-driving cars.
The peons will capture just enough value so the new life seems a bit better than the old life.
(Long long time remote worker, since before my 17 year-old was born. Love being at home with my kids, love the efficiency and flexibility.
Doesn't change the ultimate macro outcome.)