The best way to think of it is probably that Cassyni is to webinars as an academic journal is to blogs.
As an example, we issue a DOI for each seminar, meaning their metadata are indexed in the same systems that are used by journals to manage and report on citations. This turns the recording into something that is much closer to the formal sphere of human knowledge and can be included in typical academic reporting and evaluation structures.
If you're interested in the details of what goes in to developing rotors for a helicopter for an atmosphere we've never built in before you should check out this talk:
https://doi.org/10.52843/47ly7q
Our original vision was similar to what you describe. You can read more here: https://publons.com/wos-op/publon/1/ https://doi.org/10.6084/M9.FIGSHARE.871466
There are several reasons why that original vision didn't work and why what we ended up building did work. Happy to chat about if you're interested...