If Q (or anyone else) were to confirm that the COVID-19 virus was 1. bioengineered as a weapon and 2. deliberately released and propagated by China, it would cause WWIII. This is why we can't ever know the truth about what China did.

The game theory aspects comes in when considering the response. What's the best way to communicate about the true state of things when most communication is unavailable?

Let the tyrants show their true colors. When comfortable, they're happy to show you.