While he may have been less than attentive to these things, he would use every bit of information that was available to him to advance his agenda and he had people around him who read/in those briefings who knew and support his agenda. Certainly his agenda pre-pandemic as it related to China was pretty much an economic war for lack of a better description.

If your intention is to motivate Americans away from Chinese products, what better way to do it then to use a scary virus that seemed to emerge from China to that end.