[marme]

china did this and it just caused every major service to be recreated for chinese users on their side of the internet

[tony101]

China is huge compared to those other oppressive regimes out there.

Also, AFAIK, China hasn't been able to recreate GitHub. Since GitHub is HTTPS-only and China needs it enough to not block it, a lot of censorship circumvention tools are available in China through GitHub.