[debatem1]

...then it is clearly AI?

It isn't impossible that it's AI, but assuming writing and publishing happen at the same time would also lead you to conclude that Anne Frank wrote from the afterlife.

[Ronsenshi]

Not clearly, but given the world we live in makes me highly suspicious that AI was involved to one degree or another.

Plenty of people out there are happy to let AI do most of the work while claiming it as their own.