This is an utterly inhuman outlook.
Why should we care about excellence and discovery detached from human effort and striving?
We don't have to let ourselves be made obsolete. We need to really against this cold, hateful worldview and stop AI in its tracks.
The classical theorists of capitalism did not believe growth was to be pursued at all costs. Indeed they were only willing to support capitalism insofar as it facilitated morally good lives alongside generating wealth.
Democratic publics have no more reason to acquiesce to every new technology than they do to accept every new policy proposal or ideological fad that comes down the pike.