Its like Hillary walking into a working class kitchen for the first time.
They've been shielded from even critical support of China and other AES for so long they literally, not figuratively, literally cannot process that people exist that have beliefs that aren't Reddit Approved. They immediately assume it's bots or wumao. Human beings can't possibly hold these beliefs, so they must be Oriental hordes or actual robots.
It's an odd thing to think, like I said there are many communists, but it's far from everyone, and the politics are not as straightforward as they are here on our site where we aren't actually in charge of anything.
Many academic Marxists comment on this, read Wang Hui as an example