How so? Interfaces are not copyrightable, but that it not the same as dissecting a js bundle and copying the implementations. Are we sure these LLM are keeping sanitary habits there?
several courts have ruled Ai output is not copyrightable, I am unaware of any co-authored cases
But, the use of LLMs is not disqualifying. To qualify for copyright protection your work simply must have a sufficient degree of human authorship.
However this is just about protection, not infringement.
If you use an LLM to generate something and that LLM just happens to output something that another human wrote, you may be liable for copyright infringement.
https://www.jonesday.com/en/insights/2025/02/copyrightabilit...