Irrelevant. Well designed networks are pretty much isolated from whims of miners. Ethereum is one of them, Bitcoin is not. I'm speaking about 2 weeks difficulty re-targeting window vs single block window.
> It replaces it with shell games and chicanery.
Why do you perceive it like that? I would love to hear details.
Ethereum will use hybrid PoS. Where random number generation (deciding who will become next block producer) is separated from deciding who is in the pool of potential producers (anty-sybil defense). First will be decided with commit-reveal scheme unbiased with the use of VDFs, second - with PoS.