A Question of Proof

Tomorrow's problem for me: why is the Corona-19 not compatible with

a true zoonotic virus?

https://www.liberation.fr/checknews/2020/09/17/que-sait-on-de-la-virologue-li-meng-yan-qui-affirme-que-le-covid-19-vient-d-un-laboratoire-de-wuhan_1799734