This is non-sequitur at best. Americans aren't allowed to visit Cuba either. This has been going on for years and has nothing to do with the topic at hand.
It is a form of censorship. I didn't say Americans not being allowed to visit Cuba is right either. The question is always when will it actually affect your life. Having lived most of my life under and African dictator I can tell you that they never say anything "wrong". They defend the peace by jailing opposition leaders wanting to hold rallies. Keeping out pesky Western journalists is cloaked as exercising the rights of Africans to self regulate. Everything non-sequitur at best.
It's not censorship. Censorship would be South Africa removing writings of the Lama from libraries. South Africans still have access to his message, which, according to Penn & Teller is bullshit.
https://mg.co.za/article/2014-09-05-china-thanks-sa-for-corr...