Which literally won't happen because the information does not exist in the world. Unless you're expecting a Chinese researcher to identify themselves as patient 0.
So your fixation on root causing is having precisely the effect that I mention, which is preventing mitigation.
I'm not sure what you've been talking about either! Seems like you have beef with someone about epidemiology. I don't know who. Or maybe you're just burnt out on discussion of the topic, which happens. Others of us are not. And that is OK.
So your fixation on root causing is having precisely the effect that I mention, which is preventing mitigation.