consensus – If a single “infinitely highly effective” miner (e.g., a hypothetical Chuck Norris situation) managed Bitcoin, what limits would nonetheless apply?

Such miner CAN NOT violate ANY consensus rule, however he can add his personal guidelines by refusing to mine on prime of blocks that violate the extra guidelines, thus censoring the community.

Nevertheless, that is assuming everybody else simply sits and lets it occur. Others can add extra hashopower and dilute the adversary. Or, they may introduce some weak subjectivity on prime of PoW: https://weblog.ethereum.org/2014/11/25/proof-stake-learned-love-weak-subjectivity

In the end, all blockchain networks are secured by their economies. People who find themselves a part of these economies is not going to simply sit and wait whereas their beloved community is beneath censorship assault.

Such miner CAN NOT violate ANY consensus rule, however he can add his personal guidelines by refusing to mine on prime of blocks that violate the extra guidelines, thus censoring the community.

Nevertheless, that is assuming everybody else simply sits and lets it occur. Others can add extra hashopower and dilute the adversary. Or, they may introduce some weak subjectivity on prime of PoW: https://weblog.ethereum.org/2014/11/25/proof-stake-learned-love-weak-subjectivity

In the end, all blockchain networks are secured by their economies. People who find themselves a part of these economies is not going to simply sit and wait whereas their beloved community is beneath censorship assault.