OK but you could say that about practically any job - given enough time and technical progress. But in this context we are talking about these few jobs where people really enjoy what they are doing and actually create something genuinely new. If all artist disappear and what we're left with is GenAI feeding on GenAI, it's a bit sad because art is an important part of our culture.[0]
[0] Well, Murati could say, "Maybe it shouldn't be in the first place"...