The use of proof-of-waste for cryptocurrency, which allows people to get rich by consuming extremely large amounts of electricity, is one of the worst inventions for the environment since CFCs and tetraethyl lead.
It's sad to see YT community members being so ill informed. Proof-of-Stake is coming in leading blockchains such as Ethereum, Polkadot, Cosmos, etc. This is changing. It's a new technology it takes time to improve. Anyway, do your homework before commenting on things you don't understand.