I don't know if proof of work is better than proof of stake or not but I do think there is room for both. I think the biggest issue for more people is that we don't want to pay really high fees. In the case of proof of work, the amount you pay in fees don't necessary change (crypto value) but the fiat would according to the price increase.
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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