At this point, I don't think he wants to go back home yet. He lives about 1000 km from Hubei, but, even in his city, his friends have told him that most everything is closed, only 1 family member leaves the house for supplies, etc, so he'd just be incredibly bored there right now.
I'm just hoping that the US does something to extend VISAs for people in his situation. But given the current political climate here, I'm not sure I can expect a rational plan for such people.