The word "AI" appears 12 times in this article, but after reading it I still have no idea what it is that AI brings to the table, or how it enables or encourages this approach, or what this approach has to do with AI at all.
I agree, the author should have made it clearer, but I think the implication is that the marketplace makes it easier to redeploy labor in the face of uncertainty around which tasks will be taken over by AI and what tasks humans will need to perform because of AI.