Earlier quoted context omitted.
Care to objectively articulate the arguments against switching to proof-of-stake? Why is it controversial?
A common criticism without an obvious rebuke is that by design, the rich get richer. IMO it's preferable to 'the ones with lucrative energy contracts get richer' but obviously not desirable.
In the first case, you perpetuate the status quo. With the second, miner's greed indirectly helps humanity find cheaper and more available sources of energy, benefiting all. Because Bitcoin or not, as humanity gets more and more advanced, it will need more and more energy. So energy generation is the bottleneck that needs optimisation.
I don't see how creating the world's first trillionaire is positive in any way.