[rntksi]

All of the above countries, including countries not mentioned in your example, have the right to order the content to be taken down, following their own country's regulations.

"Taking down content" can range from blocking the site from being accessible from inside the country, to organising measures together with other countries where the site is actually hosted to take down the site at its roots, should the country allow it.

North Korea, China, Russia are prime examples of blocking being heavily used to control the Internet.

A government's model will never be "inadequate" as long as people live there and abide by the country's law because of various incentives (economical, sociological, familial, ...).