What is free speech if the state acts to prevent anyone from finding what you published? Imagine a despotic regime that allowed it's citizens to publish or say

What is free speech if the state acts to prevent anyone from finding what you published? Imagine a despotic regime that allowed it's citizens to publish or say whatever they wanted, with the only restriction being it had to be in an empty auditorium. Is Baidu or Yandex going to comply with RTBF? As soon as people know you can't find something in Google globally, they'll just work around it. Metacrawlers will return which just query every search engine.