Tankie admins are a missing stair and people deserve to be warned.
It's an issue even in communities you wouldn't think of as political. Another reply mentions OpenStreetMap... which is illegal in China. The Chinese government mandates that people lie about the shape of the Earth. Many obvious responses to this absurdity would get you a boot in the ass for "orientalism." Oblique criticism of that moderation, in turn, will get you a boot in the ass under their rule against bigotry... as if polite feedback against abuse of authority is intolerable hatred. Because they're such fans of democracy, you see.
And they're big enough that many communities are hosted there by surprise. Linux stuff, piracy, webcomics, video games - whoops! Your opinion has been deemed wrongthink. The people's workers' family super happy fun time council is the bestest and most democratic one-party state everrr, so how dare you take issue with a foreign superpower dictating that men in video games cannot wear skirts.
Highlighting the instance is a great idea. I might do that in-browser, as a CSS hack. I appreciate that this reader calls out that information when it's especially relevant.