2001-2008: Dissent is the highest form of patriotism.
2009-2016: Dissent is the highest form of racism.
2017-? (Probably): Dissent is the highest form of misogyny.
Who thinks China should control it, raise your hand. Come on let's see them hands.
"He who does not think himself worth saving from poverty and ignorance by his own efforts, will hardly be thought worth the efforts of anybody else." -- Frederick Douglass, Self-Made Men (1872)
The overwhelming majority of content blocked in China is content in Mandarin. Most English sites, even ones that openly criticize China, can be accessed readily. China will continue to block content meant for the eyes of its own people, but it isn't blocking very many English sites because it doesn't want to alienate business.
The idea that China could gain control of the internet through this policy is absurd. China can't even control the flow into its own country.