Giving away things is not mandatory. If a homeless man is dependent on you to leave money for him and you stop one day it's not your fault he has a tough time.

In the same sense Africa is far better off now than it has ever been because of advances in the west.

Probally the same for humans and hyper future AI. We will not have the recources they do but will naturally have 100x better lives because of them even though it will be deeply unequal.