Earlier quoted context omitted.
Haven't we been here before? - see self driving cars.
I've certainly seen this argument before.. Yes, it's true that not all technology evolves as fast as predicted (by some, at some point), but first of all I still believe we will see self driving cars in the future and secondly, it's one anti-example in a forest of examples of tech that evolves beyond anyone's expectations. I don't find it very convincing.
Autonomous driving as it currently exists came unexpected for most people. Now many look at it with the power of hindsight but back in the day the majority never thought we'd have cars (partly) driving on their own within a few years. The case of AI art seems the exact same to me, now that many are working on it there's lots of progress but it's still nowhere near what an experienced human can do. And that seems to be the general rule, not an exception.
We might need to create real intelligence for that to become true. A machine that can think and is aware of its purpose.