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Chinese video platform Bilibili is going global to challenge Youtube
(www.engadget.com)
This is a most excellent place for technology news and articles.
Private companies are allowed to decline to host at their will. USA nor EU mandate that a platform must host content they don't want to.
In practice, it's possible that China companies operating outside of China won't implement the same restrictions that they do within China. Whatever the Chinese government thinks the importance of maintaining censorship within the borders, it seems probable that the government and companies will be more pragmatic about realities in other nations.
They've got people in other countries entirely afraid to even utter the word Taiwan. I wouldn't count on their pragmatism in this case.