Not saying it isn´t useful but with this change Python's crypto depends on Microsoft (https://fstar-lang.org/ and https://project-everest.github.io/)
> All the code in this repository is released under an Apache 2.0 license. The generated C code from HACL* is also released under an MIT license.
You have an unusual definition of "depends on Microsoft". Anyone worried about depending on Microsoft should be able to maintain 15k lines of C that are already formally verified. Python already vendored the code so who cares who wrote that code?