[justonepost2]

soon after humans are economically irrelevant (unemployable) they will be existentially irrelevant (dead)

a system that can allocate the atoms and energy better than all of mankind won’t exist eternally to coddle hairless apes

[theonemind]

You seem to have inverted the ontological primacy of the human race and the economy. Once allocating atoms and energy is a solved problem, the economy is dead. There's a quote, "it's easier to imagine the end of the world than the end of capitalism." The system exists to serve, it's not a rule of nature or handed down by god.