The fact that they've hosted it on GitHub means they've agreed to GitHub's terms, which allows them (via OpenAI) to train on the code.
Also it's pretty hilarious to vibe-code a library that clones another library that someone has spent decades of work on, and then try to prohibit people from using that LLM output as training data for an LLM.
Where do you see issues enforcing license terms?
The fact that they've hosted it on GitHub means they've agreed to GitHub's terms, which allows them (via OpenAI) to train on the code.
Also it's pretty hilarious to vibe-code a library that clones another library that someone has spent decades of work on, and then try to prohibit people from using that LLM output as training data for an LLM.