> the cover will completely fail to carry any further information about the genre.
The cover, as selected by the above algorithm, will convey quite a bit of information about subgenre and niche and when it was written / how new or fresh it will be. To people already looking in the area, this is the most informative signal you can send: where does your book fit on the existing "landscape" of books within this genre that they have in their head?
> The cover, as selected by the above algorithm, will convey quite a bit of information about subgenre and niche and when it was written / how new or fresh it will be.
Since none of those things are considered by the above algorithm, this isn't possible.
The cover, as selected by the above algorithm, will convey quite a bit of information about subgenre and niche and when it was written / how new or fresh it will be. To people already looking in the area, this is the most informative signal you can send: where does your book fit on the existing "landscape" of books within this genre that they have in their head?