People aren't angry/worried because they don't have a competitive advantage any more--people are angry/worried because they sense (I think correctly!) that AI will eliminate the part of their work that they find enjoyable.
Artists, by and large, don't do art because they enjoy having art--they do art because they like /the process/ of producing art. If that process can be done faster and better by AI, then yeah, sure, they /might/ be able to still do art for a living (some artists will be able to leverage their experience to maintain an advantage; other, less flexible ones will lose work)--but the work they do will likely not be commensurate to the work they were doing before, and will likely be less enjoyable to them.
The thing that worries people about AI is that it'll make all creatives into middle-managers.
Artists, by and large, don't do art because they enjoy having art--they do art because they like /the process/ of producing art. If that process can be done faster and better by AI, then yeah, sure, they /might/ be able to still do art for a living (some artists will be able to leverage their experience to maintain an advantage; other, less flexible ones will lose work)--but the work they do will likely not be commensurate to the work they were doing before, and will likely be less enjoyable to them.
The thing that worries people about AI is that it'll make all creatives into middle-managers.