Oddbean new post about login | logout POW is paid to the universe. This is the advantage. No central beneficiary. But if you want to monetize you can sell them too.
Well from the perspective of players, other players are better because they could invest more money in the game, not necesarilly because they have better skills. If that money is sacrificed to the gods of entropy or given to the devs, doesn't change that perspective. I wouldn't enjoy such game, but if you think they are popular go for it 👍️