I think the important point is not whether this outbreak was in fact a lab leak, but that it is entirely plausible due to gain-of-function research. Even if this one wasn’t a lab leak, the next one very well could be. The risk/reward profile of that sort of research is insanely unfavorable.
>A lab worker was bitten and infected by a mouse infected with the SARS-CoV-2 Delta Variant at a high-biosecurity facility in Taipei.
https://en.wikipedia.org/wiki/List_of_laboratory_biosecurity...