Because it’s still a possibility for the cause. It’s either that or the “manure markets” that you perhaps want to defend in the name of “cultural diversity.” This disease came from China, no matter how much guys like you admire their political system. The question is, did they spread it after they knew it existed, and did they lie about the possibility of human to human transmission? While China uses technology, a lot of it taken from the west, it is still a backward dictatorship that is seeking world domination.