Earlier quoted context omitted.
If there were refrigerators that could work without electricity with no the same set of capabilities, then any refrigerator still using electricity would be considered wasteful.
I'm not saying that proof-of-stake is bad, but it does change the way the network functions, because it locks capital and therefore affects the velocity of money in the network. It also changes the distribution of mined coin. Whereas currently it takes an equal mining cost to reap an equal reward, proof-of-stake rewards those who already have enough to stake. This is essentially a recreation of the inflation system w…
As opposed to people who have money buying mining hardware to make more money that can be invested into mining hardware?