The third option is to ignore them and let them block you. In a democracy this causes lots of public outrage and might be reversed. Not sure how it goes in authoritarian monarchies.
This is the answer. Stop operating in authoritarian states and ignore their laws. If those states want to censor what their population can see, it's on them to establish a firewall.
You do realise that most of the world compromises of authoritarian states, right? Not to mention, authoritarianism by whose standards? I know a lot of people that would say EU countries are authoritarian.
While we're fantasizing about evil people doing the noble thing: the fourth option is for Meta to takes its vast wealth and help build resilient uncensorable communications instead of doubling down on centralized and surveilled social networks.
That's not in the best interests of the company. Getting blocked would mean the loss of access to a far greater market than those few accounts they're blocking.
