5) We're talking about a dense urban area ~ 1580 km^2. A _lot_ of businesses and institutions are within 13 km radius from each other. And there are 19 million

5) We're talking about a dense urban area ~ 1580 km^2. A _lot_ of businesses and institutions are within 13 km radius from each other. And there are 19 million people in this metro area. So a lot of things should e hapenning in the same city and only few km away, but most of them are not related to each other. 1, 2, 4) are probably irrelevant, because the researchers mostly agree that there was an intermediate host (which one remains to be determined, might be pangolin). So it doesn't matter if the bats were far away or hibernating. Consider also that people often travel, and trade is not limited to one town. 3) It only confirms that we still don't know who was patient zero, and when and where he or she was infected.