> You're conflating two different things: (i) toying with DNA/RNA, and (ii) gain of function research into human viruses.
If you've got some kind of model where these are in fact two entirely distinct things, that would explain some of the confusion in your position.
"any selection process involving an alteration of genotypes and their resulting phenotypes is considered a type of Gain-of-Function (GoF) research, even if the U.S. policy is intended to apply to only a small subset of such work."
https://www.ncbi.nlm.nih.gov/books/NBK285579/
Perhaps do some reflection on why you've latched onto the phrase "gain of function" and if you really understand what professionals mean by it.
> Like: accidentally making human viruses more deadly, OK
The prep for "accidentally more deadly" is going to be necessarily the same as "we're certain it will be more deadly," and in practice lots of viral research is probably "middling probability something deadly could happen."
> But so far as I've heard, the Wuhan research didn't help with Covid at all.
Where are you getting this high-level graph of coronavirus-related knowledge tagged by origin of research clearly showing a lack of contributions from Wuhan?
> Covid itself may have been caused by gain of function research
Or it might have simply been lab-escaped SARS coronavirus, making its way through an adaptation path.
Or it may have been entirely caused by constant unceasing unimaginably well-resourced natural "lab" of the world that would inevitably have produced something like it at some point, and absolutely will inevitably produce something like it again.