> blockchain also prevents censorship

well... sort of. Naturally, government can regulate and censor the on- and off-ramps [0], exchanges can censor [1a - Coinbase blocking Russian addresses][1b - Coinbase blocking scammer addresses], and developers or "the community", ie other unelected players, can decree a software change if something happens on chain that they don't like [2a - The DAO/ETH/ETC][2b - BTC 0.7/0.8 accidental fork].

[0] https://cryptonews.com/guides/countries-in-which-bitcoin-is-...

[1a] https://decrypt.co/94513/coinbase-blocks-25000-addresses-lin...

[1b] https://beincrypto.com/freedom-vs-protection-should-crypto-e...

[2a] https://www.crypto-news-flash.com/what-is-ethereum-classic-e...

[2b] https://bitcoinmagazine.com/technical/bitcoin-network-shaken...