The day after some worldwide delinking starts being implemented, nothing will stop undemocratic and illiberal places from hosting a search engine that provides links to all information anyway. It would be ironic if we were to find information using a search engine based in North Korea because it were more complete than the local ones.
The Internet is simply an effective tool for connecting people. Whether the network becomes a force for good or evil is up to its users. It's only because millions of people have mobilized in defense of our rights to connect and communicate that the Internet pendulum occasionally swings toward doing good.