Viral noticing is fed by widespread predispositions, which change over time like fashion.
There is a critical mass of people paying attention to censorship in general, and recently a critical mass of people attentive to the evils of the CCP.
You're misrepresenting that link. It's not a list of things that Google censors, but a list of things that Google wanted people to know are blocked by the Great Firewall (i.e. Google calling attention to censorship, not censoring themselves).
There is a critical mass of people paying attention to censorship in general, and recently a critical mass of people attentive to the evils of the CCP.
Also, seems to have been at least since 2012
https://en.greatfire.org/blog/2012/jun/all-blocked-keywords-...