Proof of stake is inherently centralising, it's exactly how the fiat system works, if I have more cash and assets I get to divert more of the inflation to me. Proof of work is the only method that maintains order,I honestly don't see room for both, I think its a cop out to say proof of stake is better because you're butt hurt about fees.
Learn to use Bitcoin properly and you won't pay a lot of fees, I just think its a lazy argument