when machines reduced physical labor, displaced people moved to intelectual and creative jobs; tell me, what kind of work will be left for human if ai will be better at intellectual and creative tasks?

If there truly is no work to be done, we can finally start living.

Who's going to pay for you to start living?

If the robots are doing everything why does the concept of "paying" need to exist?

100% agree in principle, but the unfortunate answer to your question is: because the people who already own everything won't allow that to happen. Or, at least, not without a huge fight.