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I agree the source could be a lab leak. That doesn’t mean it is an engineered virus.
Our analyses clearly show that SARS-CoV-2 is not a laboratory construct or a purposefully manipulated virus.
While the analyses above suggest that SARS-CoV-2 may bind human ACE2 with high affinity, computational analyses predict that the interaction is not ideal7and that the RBD sequence is different from those shown in SARS-CoV to be optimal for receptor binding7,11. Thus, the high-affinity binding of the SARS-CoV-2 spike protein to human ACE2 is most likely the result of natural selection on a human or human-like ACE2 that permits another optimal binding solution to arise. This is strong evidence that SARS-CoV-2 is not the product of purposeful manipulation.
https://www.nature.com/articles/s41591-020-0820-9
In the previous link he explains how the Andersen paper is flawed.
https://thebulletin.org/2021/05/the-origin-of-covid-did-people-or-nature-open-pandoras-box-at-wuhan/