Somewhat like the 10,000 chimpanzees on typewriters, I would not at all be surprised that the PLA has researched undocumented instructions and/or exfiltrated th

Somewhat like the 10,000 chimpanzees on typewriters, I would not at all be surprised that the PLA has researched undocumented instructions and/or exfiltrated the documentation. Security by obscurity presumes that lack of resources precludes hackers from finding backdoors.