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With a TikTok Ban Looming, Users Flee to Chinese App ‘Red Note’
(www.wired.com)
This is a most excellent place for technology news and articles.
It's an obvious cultural reference.
https://collection.sina.cn/yejie/2015-01-21/detail-ichmifpx5063889.d.html
The article is about a bookstore in Manhattan, called “Little Red Books” though. Your link is an abbreviated translation of this article, which you might notice from the link at the bottom. I don’t know if that serves as the kind of linguistic evidence that’s called for here.
There are plenty of other sources.