Historical inventions have atrophied human faculties, creating needs for artificial substitutes (e.g., gyms for physical work). Social media has atrophied socializing, creating a market for "social skills" apps. The next major risk is that AI will atrophe critical thinking, eventually requiring "thinking gyms" to retrain our minds.

Using generative AI to produce work bypasses the reflection and effort required to build strong knowledge networks. This outsourcing of thinking leads to poor retention and a diminished ability to evaluate the quality of AI-generated output, mirroring historical data on how calculators impacted math skills.

AI agents will automate execution tasks at machine speed, nullifying the old business mantra that "execution is strategy." A firm's value will no longer come from *doing* things efficiently, but from the uniquely human ability to think big picture, choose the right goals, and make high-quality strategic judgments.

The true danger of LLMs in the workplace isn't just sloppy output, but the erosion of deep thinking. The arduous process of writing forces structured, first-principles reasoning. By making it easy to generate plausible text from bullet points, LLMs allow users to bypass this critical thinking process, leading to shallower insights.

While AI can accelerate tasks like writing, the real learning happens during the creative process itself. By outsourcing the 'doing' to AI, we risk losing the ability to think critically and synthesize information. Research shows our brains are physically remapping, reducing our ability to think on our feet.

The most effective use of AI isn't about mindlessly automating tasks. It's about developing the critical judgment to know when and how to use these tools, and when to rely on human intellect. Resisting the default, easy answer is what will create value and differentiate successful individuals in the future.

AI experts like Eric Schmidt and Henry Kissinger predict AI will split society into two tiers: a small elite who develops AI and a large class that becomes dependent on it for decisions. This reliance will lead to "cognitive diminishment," where critical thinking skills atrophy, much like losing mental math abilities by overusing a calculator.

When junior employees are encouraged to use AI from day one, they fail to develop foundational skills. This "deskilling" means they won't be able to spot AI hallucinations or errors, ironically making them less competent and more liable, particularly in fields like law.

The real danger of new technology is not the tool itself, but our willingness to let it make us lazy. By outsourcing thinking and accepting "good enough" from AI, we risk atrophying our own creative muscles and problem-solving skills.