Regardless of the nuances of that point, GitHub copilot violates copyright because the content it was trained on still lives in it, and you can get it to spit it out verbatim.
If I were a master artist, my existence wouldn’t violate copyright, but I would certainly be violating it every time I chose to reproduce a copyrighted work for a client.
If I were a master artist, my existence wouldn’t violate copyright, but I would certainly be violating it every time I chose to reproduce a copyrighted work for a client.