At that point, it will be obvious that coming up with ever-more-difficult tasks for the robots to complete, just for the sake of them having something to do, would be ridiculous.
Then, time will stand still, as this 'obvious' fact becomes a mirror for human society, in which we'll see the destruction and pain we've wrought for basically no reason, and weep.
And hopefully, at that point, we'll use the knowledge in automation we've gained to dramatically downsize civilization, and hopefully spend a lot more time swimming, because by the time all this happens it will be fucking hot outside most of the year.
Then, time will stand still, as this 'obvious' fact becomes a mirror for human society, in which we'll see the destruction and pain we've wrought for basically no reason, and weep.
And hopefully, at that point, we'll use the knowledge in automation we've gained to dramatically downsize civilization, and hopefully spend a lot more time swimming, because by the time all this happens it will be fucking hot outside most of the year.