The open discussions on standardizing presets like font sizes and color names may bear fruit that could help with the more trivial parts. However, I have not seen gradient names pop up in this discussion.

Of course as soon as I hit "Post Comment", I remember this issue referenced by Rich in both posts you linked:

https://github.com/WordPress/gutenberg/issues/29568

To me, gradients are well covered in this issue! Hopefully you agree but, if not, would love to hear more and open an issue if needed.