Yes, porn is illegal in China. All porn. They weren't targeted for being gay, as both this article and the original Chinese language article points out. They don't get special treatment for producing gay literature either way.
Worth reading the article, all erotica was targeted, as porn is illegal in China. Implying only gay erotica was targeted implies a homophobic focus, when it was anti-pornography.
I see, op is very concerned about the incorrect inpriosioning of regular folks. Im sure if we look at his history we will find lots of posts against the mass incarceration of Black folks in the USA, or the arrest of protesters against genocide, or the policial brutality in western countries. Im sure