> if you fail to mention that something was made by AI as part of a compound work you could end up losing copyright over the whole thing
The source you linked says the opposite of that: "the inclusion of elements of AI-generated content in a larger human-authored work does not affect the copyrightability of the larger human-authored work as a whole"
The source you linked says the opposite of that: "the inclusion of elements of AI-generated content in a larger human-authored work does not affect the copyrightability of the larger human-authored work as a whole"