If 1000's of years from now aliens discovers these menus while excavating buried human cities they will get confused about what evolutionary dissonance was going on looking at the phenotypical structure of creatures in hand drawn paintings juxtaposed with AI drawn menus. "Did these humans who drew these live in different cut off worlds that these same animals evolved to look so different from each other?", "Did they engage in active genetic engineering instead(because they lived only for a few 1000 years in organized societies)?" they would hypothesize and get confused.

Future alien confusion is all that Gen-AI pictures add. There is no value to them that is remotely redeeming/useful to us today.