From Bitcoin Paper by Great Satoshi Nakamoto Himself:
"They vote with their CPU power, expressing their acceptance of valid blocks by working on extending them and rejecting invalid blocks by refusing to work on them. Any needed rules and incentives can be enforced with this consensus mechanism."
What is there not to like or not to understand? Bitcoin works exactly as intended, miners enforce consensus machanism with their CPU (ASIC devices these days) power. This is Proof-of-Work at its best.
Read the white paper. Is the white paper not relevant today? Should the white paper be re-written to include other consensus mechanisms?
You are getting close to become my nice looking troll...
"Bitcoin works exactly as intended"
Does it mean that this is the right way to go?
I mean, first technology is the best technology? Bitcoin has the first mover advantage, and has the network effect. Other then that it is the most primitive coin. (even feathercoin is better in that sense).
I didn't want to get into it here but
"This is Proof-of-Work at its best."
Is actually IOTA, please read about it. (I should have added a disclaimer here, but I really didn't want to get into it, I'm invested in many coins).
Is the white paper not relevant today?
Does Sigmund Freud relevant for today? Yes. But we evolved. There are much better theories built on that. And he made quite a few mistakes.