In this case, you decide. You click that Favorite button and it's a decision you make. The AI artist has a set of rules that learned from the previous trained art pieces, but the final shape, and the final decision is yours. You like it or not, and it's quite personal too.

it isn’t possible to create something that doesn’t serve a purpose. what “good” artists and other art professionals have that makes them experts is 1) an understanding of this fact, then 2) knowledge of semiotics and history among other related areas that afford as deep an understanding of potential meanings as possible — this is the tricky part, because it requires real work

I thought one of the ideas was to build into this a way to let people pick the good stuff.

Which is to ask if Audiences are never wrong?