Promoting top individual contributors into management often backfires. Their competitive nature, which drove individual success, makes it hard to share tips, empathize with struggling team members, or handle interpersonal issues, turning a perceived win-win into a lose-lose situation.

When employees dislike their manager, they often engage in 'quiet quitting' by deliberately working at a fraction of their capacity—just enough to avoid being fired. This makes genuine employee engagement a direct indicator of leadership quality.

When diagnosing a failing department, stop looking for tactical issues. The problem is always the leader, full stop. A great leader can turn a mediocre team into a great one, but a mediocre leader will inevitably turn a great team mediocre. Don't waste time; solve the leadership problem first.

A leader's desire to be liked can lead to a lack of candor, which is ultimately cruel. Avoiding difficult feedback allows underperformance to fester and makes an eventual firing a shocking surprise. This damages trust more than direct, consistent, and tough conversations would have.

A leader focused solely on personal wins creates a toxic environment that ultimately leads to their own apathy and burnout. They become disconnected from the very machine they built, creating a job they personally loathe despite their apparent success.

The most selfish thing a leader can do is withhold feedback because giving it would be uncomfortable. In that moment, you are optimizing for your own comfort at the expense of your colleague's growth. High-performance teams require radical candor, which is fundamentally an unselfish act.

The desire to be a popular boss is a trap. Prioritizing being liked often means avoiding boundaries and tough feedback, which creates an unsafe, unproductive environment. Leadership requires earning respect by providing clear direction, setting standards, and trusting your team—which is what they actually value.

If a decision has universal agreement, a leader isn't adding value because the group would have reached that conclusion anyway. True leadership is demonstrated when you make a difficult, unpopular choice that others would not, guiding the organization through necessary but painful steps.

People naturally start their jobs motivated and wanting to succeed. A leader's primary role isn't to be a motivational speaker but to remove the environmental and managerial barriers that crush this intrinsic drive. The job is to hire motivated people and get out of their way.