Soup and Beer -Trust -
There seems to be mounting evidence that it didn't start in the wet seafood market, and was in fact sourced from the their disease control lab that was just 300 yards away from the market.
This would still be a better scenerio than the virus getting engineered in the lab. It sounds like someone at their disease control center might have gotten it from a bat during their experiments. At least it would naturally occuring if this is the case.
It makes sense they have been studying viruses like this since 2013 at least.
We could probably try and cross reference some of the researchers from this Nature paper to the Wuhan lan
Isolation and characterization of a bat SARS-like coronavirus that uses the ACE2 receptor.