Whoever it is needs to convince the miners the world around to bend the knee. As you mentioned, even a larger block size was not accepted by the consensus. The

Whoever it is needs to convince the miners the world around to bend the knee. As you mentioned, even a larger block size was not accepted by the consensus. Then again again, there are a small handful of Bitcoin mining pools that do most of the mining. And one more again. If institutions start adding to their bags, they'll also be incentivized to mine.