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.

Contrary to the job loss narrative, AI will increase demand for knowledge workers. By drastically lowering the cost of their output (like code or medical scans), AI expands the number of use cases and total market demand, creating more jobs for humans to prompt, interpret, and validate the AI's work.

As AI commoditizes execution and intellectual labor, the only remaining scarce human skill will be judgment: the wisdom to know what to build, why, and for whom. This shifts economic value from effort and hard work to discernment and taste.

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's primary impact is not wholesale human replacement but rather collapsing the middle of the value pyramid by automating routine knowledge work. The value of human workers will shift to higher-level judgment and strategic oversight, where AI can structure options and simulate outcomes, but humans retain final say due to liability concerns.

Contrary to sensationalist interpretations, a high 'AI exposure' score for a job does not automatically mean displacement. Economists suggest it can mean the opposite, as AI acts as a complement. Highly exposed roles could see increased hiring, higher wages, and greater demand for complementary human skills, depending on demand elasticity.

Applying the economic principle of comparative advantage, even if AI achieves absolute superiority in all tasks, humans should specialize where their advantage is greatest relative to AI. This will likely be high-level "thinking," as human attention remains the scarcest resource in the collaboration.

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.

Andreessen argues that fears of AI displacing jobs are "100% incorrect." He points out that this is a recurring "lump of labor" fallacy. Instead of replacing humans, AI augments them, increasing their productivity and allowing them to tackle more ambitious problems, ultimately increasing the demand for their work.