What prevents witnesses from scrambling to another platform where they won't be censored or directly owning their own server? The financial incentive to keep the boat from sinking is very high.
We can use all these same arguments to say that the government will eventually stop people from pirating music and movies, but they never did. Crypto is 1000x more aggressively decentralized and antifragile compared to 'illegal' torrents.
Hope you are right