They've been going after colleges & universities for this after a bipartisan Senate report and Congressional hearings.
dailycaller.com/2019/06/15/edu…
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See, for example, what China demands of Confucius Institute instructors in the US. They literally ban certain speech.
Just last July, China bought up United Kingdom-based CATS Colleges - a group of private schools across the UK, US, Canada, and China.