I'm not a big fan of Proof of stake because it just makes the richest even richer, not a ton of room for competition.
What do you mean by "it makes the richest richer"?
People earn coins according to the capital they've invested in the currency
There you have it you have basically answered your own question haven't you?
This is the cycle of life though the rich will always get richer whether crypto or in fiat the world has been designed for it to do exactly that.
An oligopoly of corporate miners has taken control of the Bitcoin network - decentralization is gone. << I agree to this and now see it as no different to the private bankers who have the power to print money, it is the same centralized power they both have.
I would like a mix of POW for a long period but that uses HDD like burst or you are able to mine from your computer longer then changes to POS when the chance has been given for a lot of different people to accumulate.