How a Berlin startup beat the online giants at image recognition

Can a machine learn aesthetics in a way a human would? Could it then look at a set of photos, and draw on those same aesthetics to reproduce a different set? It's a big question because it has long-term implications for how AI is going to develop. Is it just what you "like"? How does it all work? When you as a human find it hard to express what you like do you think a machine going to find it easy?