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Then we just make the 'cognitive niche' available to racoons, octopuses, or whatever, they evolve big brains and tech, and then they're just as exploitative to other species as we've been. Why not level up now?
Why you're so sure there will be another intelligence explosion? You don't seem to understand that evolution is not increasing intelligence, but adaptation. And in most cases, adaptation doesn't needs more intelligence. I have a better argument for his objection
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