The large majority of professional writers and artists produce thankless commodity output for things like TV advertisements, games, SEO content. These jobs should be threatened.
They get paid pretty low wages so it's not even clear that AIs will be cheaper. Consider also that you still need a human to evaluate their output, make adjustments, etc.
I actually like that analogy. It's somewhere in between. Enough that LLMs can help in many ways, but the current models are still far away from doing everything.
AI just destroyed shutterstock.