This is kind of backwards .
GitHub's privacy statement [1] says > GitHub personnel does not access private repository information without your consent except as provided...
Do you have any evidence that private repos on GitHub are being used for training?
In the opposite case, if you have a public repo on GitHub then you should expect it to be laundered through LLMs :\
[1] https://docs.github.com/en/site-policy/privacy-policies/gith...