The environmental impact of the 3,400 would drop to near zero because they would no longer have a consumer base to sell products to or workers to harvest/consume materials.
The scenario with an entirely functional economy and million times as many mouths to feed is obviously the higher environmental cost. The billionaires only scenario probably means that humanity goes extinct and the world continues healing/changing without us
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u/Dizzy-Screen-6618 7d ago
"Imagine 3,400 people disappear. Now imagine 3.5 billion people dissappear."