We didn't need humans in the first place. The collective "we" can decide that we want to do anything. People have this crazy fatalistic attitude about AI taking over, billionaries ejecting to Mars and humans becoming irrelevant. Let me tell you, humans have been irrelevant since forever.
That would be nice, to gambol in a lush, sunny meadow, perusing a leather-bound volume that we read in the original Greek or Sanskrit.
Unfortunately, I fear we will instead end up sweaty and dirty and bloodied, grappling in the parched terrain, trying to bash members of a neighboring clan with rocks and wooden clubs, while a skyline of crumbling skyscrapers looms in the distance.
Increased productivity has to more, not less toiling in the last 50 or so years.
This is not gonna be different with AGI (if it ever happens). Some people will get very rich while the rest is still gonna work just as much as they are now. The jobs just gonna suck even more.