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You didn't answer to my question. I asked you if it's desirable to have a structure that brings centralization over time. Your response has to do with the "gathering" of the hash rate while it's been repeatedly told you that it's a false way to detect faulty behavior.
By the same reasoning, I also trust the government for not deciding to allocate the required resources to destroy Bitcoin. It's a game theory.
Sure I did, you just don't like the answer.
Bitcoin Pow Mining Pools are Centralized.
Proof of Stake is far more decentralized than PoW, which is one reason why ethereum is switching.