There is no reason to suspect Ill intent. Accidents happen. It is well known the WIV were doing gain of function research on SARS-related CoVs. It is also known that the WIV were partners in a proposal to insert human specific cleavage sites into SARS+related CoVs
https://theintercept.com/2021/09/23/coronavirus-research-gra...
The probability that a novel SARS-related CoV would emerge naturally in the city in China that was used as a seropositivity control -and the location of the worlds largest SARS-related related research lab, and which had very low wildlife consumption compared to Southern coastal cities is < 1/1000