and fwiw, a lot of the assumptions in here are akin to saying at the dawn of photography that nobody would ever paint any more. Photography of course replaced certain entire categories of painting, but didn’t erase painting from the face of the earth altogether. Of course there are far more photographs than there are paintings, but volume alone is not the totality of meaning.
Generated content is strictly culturally regressive anyway. After a hundred years of ChatGPT will people still be writing prompts with “in the style of [person who produced all of their work before the year 2000]”? That would be a sad and boring future.