Whether is not copyrightable is not relevant to this. The parent poster's point is just as salient. The creator, not the sumbitter needs to meet the criteria in question. A clanker isn't a resident of Ohio.

I'm largely in the not fond of AI artwork camp and the weird rigging on the chair lifts in the winning entry bug me no end (first thing that caught my eye), however ...

Is Jeff Koons (and others in the "massive installation" artwork game) the creator of his works or does that honour go to the minions that instantiate his wishes?

We're talking "grand vision" description here .. now you 30 people go and flesh out the details.

Not really, AI is a tool and so it's assumed that the submitter is the creator. The Ohio judges will not be as pedantic as you and then other comment above try to make it seem.