The AI Daily Brief examines Venkatesh Rao's essay "Cognitive Mercantilism," which uses the history of capitalism to test a common assumption: that as AI makes intelligence abundant, human thinking becomes less necessary. The episode traces the arc from the agricultural revolution to today's AI agents to argue that the historical pattern points the other way. The central argument is that when a resource becomes cheaper, people rarely stop wanting it. Instead, they find new uses, new desires and new forms of work. Applied to AI, the episode suggests cheaper intelligence could widen the scope of human ambition rather than shrink human relevance. The show notes present this as a possibility rather than a forecast, and the episode does not offer measured evidence or specific predictions about which jobs will change. For Australian businesses and professionals, this is a long-horizon idea rather than an immediate change to cost, risk or regulation. It does not alter obligations under the Privacy Act 1988 by itself, although staff entering customers' personal information into AI tools remain subject to that Act. The practical takeaway is to watch which tasks and roles shift, and to look for work that was previously too expensive to attempt, rather than to act on the thesis itself.