Yes, this is a real thing, but it's not something I take seriously... There is however a lot to be learned about the psyche of the people behind these sorts of things...
Links to the stabbing story:
http://www.thatsmags.com/beijing/post/10944/sanlitun-murder-it-was-an-anti-foreigner-attack-says-victims-close-friend
https://www.thebeijinger.com/blog/2015/08/13/woman-stabbed-outside-uniqlo-sanlitun
https://sinosphere.blogs.nytimes.com/2015/08/13/woman-dies-after-stabbing-near-uniqlo-in-beijing/
Link to the SerpentZA tieba:
https://tieba.baidu.com/f?ie=utf-8&kw=serpentza&fr=search
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