The market for that exist but the execution to get that product is beyond hard. Compare full self driving after all these years where are we? It’s still not a real thing. It’s still just a limited experiment. The cars have only speed and steering angle to manage. What do you think about “full self driving robots”? There is a business case for them but in the near term you cannot make one good enough for the tasks you want. Safety is a big issue on top of making the robot useful. You don’t want it hurt anyone.