Employees know that they ultimately pay the price when their manager doesn't get along with or cooperate with managers of other departments, leaving … - Patrick Lencioni

As it turns out, the primary motive for most young people, and too many older ones, is the rewards that leadership brings with it. Things like notoriety, status, and power. But people who are motivated by these things won't embrace the demands of leadership when they see little or no connection between doing their duties and receiving those rewards.

More than any policy or system, there is nothing like the fear of letting down respected teammates that motivates people to improve their performance.

Trust is not the same as assuming everyone is on the same page as you & that they don't need to be pushed. Trust is knowing that when a team member does push you, they're doing it because they care about the team.