Answer extracted from the 3 Takeaways™ podcast — listen to the full episode below.
Why does overreliance on AI damage your ability to think, write, and create?
If you let AI do your thinking, you will not be good at thinking, and if you let AI do your writing, you will not be good at writing. The quality of time on task directly determines how well you become at that task—you cannot improve as a writer without writing or as a musician without playing. When people delegate these hours to AI instead of engaging in productive skill-building themselves, they diminish their own capabilities.
The core issue is deceptively simple: skill acquisition requires deliberate practice over time. As Duckworth explains in this episode of 3 Takeaways™, there is no shortcut to mastery. The brain develops neural pathways and muscle memory only through repeated, focused effort on the task itself.
When AI systems handle the cognitive or creative work—whether that is drafting an email, structuring an argument, or composing music—you are outsourcing the very mechanism through which expertise develops. Each hour you save by using AI is an hour you do not spend thinking or writing, which means your capabilities in those areas remain flat or decline.
This is not an argument against using tools entirely. The risk emerges when AI becomes a crutch that prevents you from building foundational skills. For professionals early in their careers or students developing core competencies, this trade-off carries particular weight. A junior analyst who asks AI to do all her analysis will not develop the judgment needed to become a senior analyst. A writer who outsources all drafting will not develop the voice and instinct that make good writing.
"If you allow AI to do all your thinking, you will not be good at thinking, and if you allow AI to do all your writing, you will not be good at writing."
Angela Duckworth — Professor of Psychology at the University of Pennsylvania, MacArthur Fellow, and leading researcher on achievement. Her bestselling book Grit sold over 5 million copies and changed how millions of people think about success, passion, and perseverance. She has since expanded her research to examine how situation and environment shape human achievement.
Duckworth's insight extends the logic of her earlier work on grit and perseverance into the AI age. If achievement requires sustained effort and deep practice, then the episode explores how convenience technologies can quietly undermine that effort. The danger is not that AI exists—it is that we use it without recognizing what we are trading away.
For leaders and managers, this raises a real question: how do you cultivate skill in your team or organization when everyone has access to tools that can do the work for them? The answer lies in being intentional about when and how AI is deployed. Strategic use might mean letting AI handle routine parts of a task while you handle the parts that build expertise. Protecting time for the skill-building itself becomes a competitive advantage, not a cost.
For anyone serious about mastery—whether in writing, analysis, music, or any craft—Duckworth's warning is clear: the hours you invest in doing the work yourself are not wasted time. They are the only way to become truly capable. Delegating that work to AI may feel efficient in the short term, but it is a form of borrowing against your future competence.
If you want to understand how to navigate achievement in an era of AI, listen to the full conversation on Listenly where Duckworth discusses how her near-drowning experience with her 86-year-old mother in the Atlantic Ocean led her to rethink achievement beyond grit alone.
Key takeaways
- Skill development requires quality time directly engaged in the task itself—no tool or shortcut can replace deliberate practice.
- When AI handles thinking or writing work, you lose the hours needed to build expertise in those areas, directly reducing your capabilities.
- The risk is highest for those developing core competencies early in their careers, where foundational skill-building is most critical.
- Strategic AI use means protecting the skill-building portions of work while delegating routine tasks, rather than outsourcing the entire process.
See also
How should parents approach designing their children's environment without over-parenting?
Duckworth recommends what she calls situational parenting: making the big decisions right, such as school choice, so that your child's friend group and daily environment naturally support their development without constant intervention.
What role does the surrounding environment play in shaping who we become?
Duckworth illustrates this with her San Francisco office example: within three days of being surrounded by people committed to healthy eating, she and her collaborator adopted the same habits themselves, showing how environment invisibly shapes behavior.
Why is willpower alone an unreliable strategy for achieving long-term success?
Duckworth states that willpower is an extremely fragile and fallible way to achieve goals. People who excel in their fields do so not by forcing themselves through sheer willpower, but by structuring their environment to make desired behaviors easier.