AI models will quickly automate the majority of expert work, but they will struggle with the final, most complex 25%. For a long time, human expertise will be essential for this 'last mile,' making it the ultimate bottleneck and source of economic value.

Technological advancement creates a paradox: as machines automate more tasks, the economic value of uniquely human and social interaction increases. This structural shift helps explain why recent job growth is so concentrated in sectors like health, education, and hospitality.

AI will primarily threaten purely cognitive jobs, but roles combining thought with physical dexterity—like master electricians or plumbers—will thrive. The AI-driven infrastructure boom is increasing demand and pushing their salaries above even those of some Silicon Valley engineers.

AI removes the administrative "drag" (scheduling, invoicing) that caps the growth of physical service businesses like plumbing. While AI improves scalable tech work, it fundamentally changes the growth model for non-scalable, hands-on professions by offering unprecedented operational leverage.

AI is rapidly automating knowledge work, making white-collar jobs precarious. In contrast, physical trades requiring dexterity and on-site problem-solving (e.g., plumbing, painting) are much harder to automate. This will increase the value and demand for skilled blue-collar professionals.

The fundamental economic shift is not just job automation but an inversion of roles. AI, as pure intelligence, will become the employer, hiring humans as contractors for physical tasks it cannot perform, like visiting a warehouse or collecting brochures. Intelligence becomes a cloud commodity, while physical presence becomes the service.

The initial impact of AI on jobs isn't total replacement. Instead, it automates the most arduous, "long haul" portions of the work, like long-distance truck driving. This frees human workers from the boring parts of their jobs to focus on higher-value, complex "last mile" tasks.

The traditional path to a four-year degree is becoming less secure as AI automates entry-level knowledge work. This trend increases the demand, stability, and compensation for skilled trades like plumbing and carpentry, which are resistant to automation.

Contrary to popular belief, highly compensated cognitive work (lawyers, software engineers, financiers) is the most exposed to AI disruption. If a job can be done remotely with just a laptop, an advanced AI can likely operate in that same space. Physical jobs requiring robotics will be protected for longer due to cost and complexity.