They’ve already done it ;)
Maybe you should try Anytype. It’s Open Source, encrypted, has applications for major OSes, provides synchronization, allows export of documents to Markdown and PDF. Sometimes it’s rough on the edges, but I think it has a potential.
We are living in a funny world, where nudity must be tagged and generally hidden, but there is wide acceptance to show violence.
Until there is proof or external verification of the results, it’s just another case of Chinese propaganda.