[TeMPOraL]

> PoW incentivices cheap energy in developing countries more than anything before. It is the fix for environmental problems.

That can only become true if and when governments decide to suddenly ban PoW, so that all that cheap energy services anything other than crypto. I don't think it works as an argument in favor of PoW, for the same reason "we're only spreading knowledge of chemistry and democratizing process engineering" doesn't work as an argument in favor of drug cartels.

Also, 'SR2Z is right - "cheap energy in developing countries" == coal.