Zoonotic transfer outside of a lab happens so often it's taken for granted. You can't list them all transfers because they're so numerous, unlike lab leaks.
It's more the rule rather than the exception, given the ease of infection outside of a lab.
The 'proximity to a lab' argument is weak anyway. For instance, it would just as easily led to the (wrong) conclusions that SARS-CoV-1 and MERS-CoV came from labs. And it uses the poor reasoning about probability typical among conspiracist theorists.
As an immunologist, I can say that the whole 'RaTG13 / miners' saga helped convince me that many, if not most, SARS-CoV-2 lab conspiracists are incompetent and/or dishonest.
For example, it's unlikely SARS-CoV-2 came from RaTG13, given the evolutionary distance between them. They're more like distant cousins (ex: humans vs. chimpanzees). So bringing it up is a red herring
Calling the DRASTIC team "internet sleuths" is more respect than they merit. They're a bunch of paranoid conspiracists who can't get basic biology right.
Also, suspicious activity happens in the absence of a lab leak.
And again, the level of protection researchers have when working with viruses is more than the non-existent levels of protection that everyday people have when exposed to viruses.
For those of us with experience with biology training, SARS-CoV-2 does not look like intelligently engineered by humans. It looks cobbled together by nature.
What surprised to an uninformed non-expert can be mundane to an informed expert.
Hence why it's so important for non-experts listen to expert virologists, geneticists, etc. who actually have experience dealing with past pathogen outbreaks.
20/T
You know who was already canvassing the likelihood that the first SARS-CoV-2 zoonotic transfer occurred early?:
@luckytran In which Bhattacharya does the intellectual equivalent of claiming vaccine denialists are being unfairly persecuted because Andrew Wakefield's blog told him so
"What they're doing is focused protection, and you can see the result. The infection rates are going up in Sweden, but the death rates are not." edhub.ama-assn.org/jn-learning/vi…