The following links may be of concern to both expats and Vietnamese:
https://tuoitrenews.vn/news/business/20 … 42438.htmlhttps://www.nytimes.com/2017/11/30/opin … china.html
The NY Times has a paywall but you can read 10 articles a month free.
Personally, I never post on Facebook and only keep my account open so that I can occasionally look at commercial sites of interest. However, I certainly would be cautious about seeing it censored. I know it is immensely popular with Vietnamese.