Earlier quoted context omitted.
> Too bad it has to waste electricity... It doesn't waste electricity. It uses a lot of electricity to create a secure global payment network that can solve the micropayments problem. Sacrificing efficiency for decentralization was a key design decision in Bitcoin. YouTube cat videos and daytime television are genuine wastes of power. Humanity has to solve the power generation problem and processors are already far m…
Cat videos and daytime television waste less power while providing much more value. Ultimately cryptocurrencies have some value offering, but it's of dubious utility, because you can get 99% there with a little bit of trust, and then you don't have to pay this humongous upkeep in electricity. Popularity of cryptocurrencies is almost entirely driven by greed, so it obscures the actual value of blockchain tech.
Even if Bitcoin dies, we still don't need to bring PoW again.