I agree with this in theory, but in practice there's no way a government/economy will take those dollars and magically spend them on causes that actually benefi

I agree with this in theory, but in practice there's no way a government/economy will take those dollars and magically spend them on causes that actually benefit humanity. More likely they go to the war machine, welfare state, and other bureaucratic money pits. Given that, it's probably not a bad thing to spend that money on things that benefit our ecosystem.