Funnily enough, reading this made me less worried for artists. It seems now there are more photographers than ever, possibly because more people care about good photography than previously (despite the fact that modern amateur photography is probably on par with yesterdays professional). Maybe art will go the same way, something everyone can do, but with more respect for professionals. I imagine it'd be the same for those other fields as well.
Or AI will take all jobs and we'll end up in a Manna situation, which would work even better for me