Different species are adapted for different environments. E.g. the pasty folks Poal likes to autistically screech about? Satellites, penicillin, the internet. Check.
Having enough cultural cohesion to still have babies in 2023? Not so much. And half the women are on psych meds. The tradeoff of all those awesome tech and art things comes with a tendency towards having few children and cultural seppuku.
you'd think we'd have enough stamina to last as long as the Romans or Greeks
Technology is an accelerant. Both for growth and collapse.
I bet someone's graphed civilizational longevity vs. technological progress.
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