While I don't agree with the worldview - I do resonate with the logic against "technological triumphalism".
Singularity-level technology changes the world to the point where the things our ancestors wanted are not the same things we want. Today, we are trying to roll back the effects of industrialization. We are trying to undo the damage that penicillin did. If history, real history, teaches us any lesson it's that new technologies do not cause us to transcend. They fix some things, and then cause new problems we hadn't anticipated.
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Qui cantat, bis orat (to sing once is to pray twice!) - St Augustine