From the actual Google Support question, this was posted on 11/10/19. Why are we only now just noticing? Was it previously confined to China and has now just rolled out globally?
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).
