all jobs will be automatable, and there will be no room for humans to work on novel things.

That's like saying we shouldn't push the space exploration boundary because people are so used to staying within it.

If you want to make the argument that singularity has occurred and that knowledge oracles are no longer needed, that's a bold claim.

If you want to make the argument it would escape our control, etc. that's a valid argument for proper controls.

If you want to make the argument that LLMs are sentient and that it's not ethical to "enslave" them, that's also a pretty bold stance currently.

Humans have been inventing technology and improving the quality of life (of our species!) for a very long time and that strategy hasn't changed IMO