Sure, and expectations were met here by the readers[0]. Otherwise there would have been no award in the first place. It's just this random group with an axe to grind that's trying to stir up trouble.
You are free to read and like it, but you do not get to dictate what other people should or should not expect. Artificial ghostwriter is not really Goncourt-ish.
[0] https://edition.cnn.com/2026/09/26/europe/frances-goncourt-p...