Any source to this? Your referenced link does not support your hypothesis.
* https://github.com/antonk52/nanocolors/commits/main
* https://github.com/corysimmons/nanocolors/commits/main?after...
You can, indeed, see that they lack all of the original repo's commits.
https://twitter.com/jorgebucaran/status/1441886210998239238
The commits in nanocolor's git history also don't include Jorge's verified signature, which would come with the fork.
Any source to this? Your referenced link does not support your hypothesis.