In short: we'll have the machines tell the creators what to create.
You could imagine an AI company suggesting back to creators that they need more created about topics they may not have enough content about. Say, for example, the carrying capacity of unladened swallows because they know their subscribers of a certain age and proclivity are always looking for answers about that topic. The very pruning algorithms the AI companies use today form a roadmap for what content is worth enough to not be pruned but paid for.