Wholly agree; need a POS that isn't a POS.
And it needs to start that way. The deep problem is finding an economic system that works even under user-anon conditions - as I have said before, the symmetry that arises from more than one account per human will lead most systems down particular attractors where inequities are magnified.
RE: Proof of Stake is the Future of Blockchain... We're Just Not Sure When That Is