What is your evidence for this: "... because of structural problems that push them out, be that systemic misogyny in our educational systems ..." , "the toxicity present in the industry that pushes them out ... "?
UV is super fast and great for environment management, however it's not at all well suited to a containerised environment, unless I'm missing something fundamental (unless you like using an env in your container that is).
I am extremely skeptical about this sort of thing - I suspect that it's extremely challenging to reliably make assertions about the carbon cost of running a given website given that there are so many unaccountable-for variables; at best the very "edge" of any carbon usage is being guessed at.
Added to that the opportunities for charging the various parties for "certification" are simply too good to pass up it seems.