Other than a need to show that Trump was wrong and Fauci was right:

Can anyone explain the quasi-religious need of liberals to blame the COVID pandemic on what they say is China's filthy, primitive, unsanitary food markets rather than on dangerous US-funded research in Wuhan? 

 @343c547f evidence? Pretty sure this has been thoroughly researched and, while initially it was thought the research labs were a likely vector, the final conclusion was that there was no evidence to support it.