The 10,000-Hour Rule is a Lie (Sort Of)

You’ve been doing this for twenty years. So let me ask you a question you may not want to answer honestly: are you actually better at leading than you were in year five, or are you just more comfortable being exactly as good as you already were back then? Comfort and competence feel identical from the inside. They are not the same thing, and the difference between them determines whether your experience is actually an asset or just a very well-worn habit.

The Myth Malcolm Gladwell Made Famous

The “10,000-hour rule” has become one of the most quoted ideas in popular business writing — the notion that any sufficiently large quantity of practice will eventually produce mastery in nearly anyone. Malcolm Gladwell popularized the number in Outliers, but it’s a misinterpretation of the research it claims to summarize. Psychologist Anders Ericsson, whose work Gladwell was drawing on, never argued that simply accumulating hours produces expertise. He argued for something much narrower and much more demanding: deliberate practice — highly structured, feedback-rich effort specifically designed to improve identified weaknesses, not the mindless repetition of tasks you’ve already mastered years ago. The distinction matters enormously, because it explains a phenomenon most of us have watched happen to a colleague, or to ourselves, without quite naming it: twenty years of experience that is, in reality, one year of experience repeated twenty times.

One Year, Repeated Twenty Times

Think about what actually happens inside most careers. You learn a role. You get reasonably competent, faster than you expected. And then, because competence is comfortable and improvement is uncomfortable, you stop stretching. You keep showing up, keep doing the job well enough, keep accumulating tenure and titles — but the specific skills that would make you meaningfully better than you were five years ago never get deliberately targeted again. Nobody is giving you structured, honest feedback on your blind spots anymore, because you’re the boss now, and bosses stop getting graded the way junior employees do. That’s not a personal moral failure so much as a structural trap that every experienced leader has to actively fight against, because the organization around you stops correcting you the higher you climb.

Jeffrey Pfeffer’s critique of the leadership-development industry, laid out in Leadership BS, points at a related failure: sending people to an off-site training and then returning them to the exact same organizational system that produced the original problem guarantees that nothing actually changes. The system always wins over the seminar, however good the seminar was. What actually works is deliberate practice folded directly into the flow of real work — the logic behind the well-known 70-20-10 model, where roughly 70% of leadership development happens through stretch experience on the job, 20% through coaching and mentoring relationships, and only 10% through formal training. Notice how little of that ratio is passive. Almost all of it requires someone pushing you, in real time, on the actual weaknesses you’d rather not look at directly.

What Deliberate Practice Actually Requires

1. A specifically named weakness. Not “get better at leadership” in the abstract — something as narrow and concrete as “I interrupt people before they finish making their point in meetings.”
2. Structured repetition. Deliberate, targeted reps at the actual skill in question, not just general time spent sitting in the role.
3. Immediate, honest feedback. Someone telling you, close to the moment it happened, exactly what you did and what it cost you or the team.
4. Willingness to feel behind. Real improvement requires operating at the edge of your current competence, which is uncomfortable by design and never gets easier to volunteer for.

Frameworks like the Kegan and Lahey “Immunity to Change” model exist precisely because most people who genuinely want to grow are unconsciously protecting a “competing commitment” that keeps them stuck in place — wanting to delegate more, for instance, while secretly protecting the sense of control and indispensability that comes from doing everything yourself. Real development means surfacing that hidden, competing commitment honestly, not just setting a new goal on top of an unresolved one and wondering why it never sticks.

There’s a useful discipline here borrowed from decision science that pairs well with deliberate practice: the premortem. Before you repeat a pattern for the twenty-first year, imagine it’s a year from now and the pattern has clearly failed you again. Write down, honestly, why. That exercise — championed by psychologist Gary Klein as a way to legitimize dissent and surface hidden risk before a project launches — works just as well turned inward on your own leadership habits as it does on a strategic plan. It’s uncomfortable precisely because it’s useful.

Train Yourself for Godliness

This is not a purely secular insight — it’s a very old one. Paul instructs Timothy: “Have nothing to do with irreverent, silly myths. Rather train yourself for godliness; for while bodily training is of some value, godliness is of value in every way” (1 Timothy 4:7-8). The word Paul uses for “train” is the same word behind our word “gymnasium” — it’s deliberately athletic language, describing disciplined, repeated, structured effort rather than passive hoping for improvement. Spiritual maturity, like leadership competence, is not conferred by the mere passage of time on the calendar. It’s forged through targeted, uncomfortable, repeated discipline, applied consistently over years. Twenty years of casual churchgoing is not automatically the same as twenty years of deliberate spiritual formation, for exactly the same reason twenty years in a corner office is not automatically the same as twenty years of deliberate leadership growth.

Depending on where you sit

In a large organization, the risk is that formal training budgets create an illusion of development — employees check the box on a leadership course, collect the certificate, and the organization mistakes attendance for actual growth. Real progress requires pairing that training with structured, on-the-job feedback loops afterward, not treating the seminar itself as the finish line.

In a small or family-owned business, the risk runs the opposite direction — there’s rarely a training budget at all, and the owner simply assumes that years of hands-on experience are automatically producing growth by osmosis. Without any external structure or genuinely outside feedback, deliberate practice has to be built on purpose and defended on the calendar, because the day-to-day grind of running the business will never manufacture it for you on its own.

Either way, the trap and the cure are the same shape. The trap is mistaking the passage of time for the accumulation of skill. The cure is deciding, on purpose, that some specific part of how you lead is going to get uncomfortable again this year — targeted, measured, and corrected by someone willing to tell you the truth.

It’s worth remembering that this is, in the end, a hopeful message rather than a discouraging one. The myth said mastery was simply a matter of putting in enough years, which quietly let a lot of leaders coast once the years added up. The truth is more demanding but also more encouraging: growth is still available to you, right now, regardless of how many years you’ve already logged, as long as you’re willing to target something specific and let someone tell you the truth about it.

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This week: find a coach, mentor, or peer who will give you uncomfortable feedback — someone with no incentive to simply tell you what you want to hear — and ask them the one question you’ve probably been avoiding: what am I not seeing about my own leadership?