It's been trained on some of the best artwork. Various artists have been told their artwork looks like AI, meanwhile it's actually the other around. Already in the app stores there are many games full of AI art that the average person without an artist's eye probably can't see the difference compared to something a human made.
I think art is very different from other jobs, it's more like the soul of humanity. When we look back through time, we mainly look at the art and what it can tell us, only a niche portion of people will care about the other things.
If we let machines do everything, even create our culture and art, what is left for us? Just to be consumers?