According to the US copyright office, copyright doesn't extend to purely AI-generated material.
I'm not sure if vibe coding can count as 'purely AI-generated', but it's an annoying thought that e.g. GPL code can be turned into uncopyrightable code via the AI meat grinder.
I also keep returning to the question also of whether vibe-coded edits to GPLd free software projects counts as 'source code'. If it's unreadable to both the vibe-coder and origina…