Great article, I appreciate reading it
"regularity, authenticity, perfection" are the most important factors, that is true.
"the most important difference between human art and AI art is their motivations." I think this is a very important point to make, and i agree.
We are naturally curious about the future of emerging technology. We want to know how it will affect Art in the future. I think ,the best creative work in the future will come from a combination of machine learning and human creativity.
I recommend reading the article by @Eva Rtology. It provides some background info to this
"How AI Creates Content That Humans Love" https://medium.com/mlearning-ai/how-ai-creates-content-that-humans-love-7b3da0194a35