It’s propaganda. The author was in a house of prostitution, if he didn’t make the whole thing up. Don’t make the mistake of getting fresh with a proper woman in China or very recently from China.
“and acknowledges that sexual rights are a part of basic human rights.”
In the context of the article, it would appear the author is trying to make the case the the “right” to randomly copulate with non-spousal partners is a basic human right.