This sort of thing could be a real boon for the industry.
On the developer side worlds could be created by AI for users to play in leaving the game play mechanics, story and other elements for the developer to focus on.
On the user side a session, level or mini game could be generated on the users system making for infinite replay-ability. (the 'procedurally generated' content to date is rather lacking IMHO)
The AI start-up "Exists" recently presented a tool that creates graphically sophisticated games based on text prompts. The first trailer shows how well it already works.