It's to make it easy for other people to get the job done. That means the leader is the blocker, not the ball-carrier. The leader runs interference, but they don't get the glory. They try hard to make it possible for others to get the glory. Paradoxically, that attracts attention to them and helps them build a network of strong allies.
Leadership is service.
I'm a big fan and enjoyed reading your Fast Company article. Maneuvering through tomorrow's turbulence requires courage and a willingness to put a stake in the ground. Those who are prepared to die are the more courageous and conduct themselves with integrity. There is one quality that appeared to be missing from your list of rules. Successful business leaders, those who are able to hit the numbers, must have not just a desire to win, but a need to win.