Earlier quoted context omitted.
I would believe that Covid started elsewhere in China before believing in started in a wet market in Wuhan. It is extremely unlikely to start there given that isn't where the bats in China are or where new corona viruses are. In fact, if you read any research that had been published by the WIV on coronoaviruses pre-2020 they all start by talking about expeditions to collect bat droppings 1500 miles away.
So one bad flew 2400 kilometers, bit some people in Wuhan, then died? It started in Wuhan spontaneously. There are no intermediary COVID19 infections in a migration trail of any kind from those bat reservoirs in Yunnan to Hubei.
Can you cite a few other diseases where the evolution was traced back in multiple species across that kind of distance? Where did ebola come from? MERS? At best you get the immediate host, or as with covid a somewhat close relative.
You're demanding proof that simply doesn't exist for any other disease and then citing the absence of that impossible proof as evidence for your conspiracy theory that has even less evidence in support.
I mean, fine, we only have that one bat in Yunaan. OK. Fair point. You have zero samples from that lab.