[sime2009]

That's right. It can't be pushed down from above. The team has to want to do this and take the power.

A manager can start work on this kind of culture shift without even saying the word "agile". They need to give their teams more trust and room to govern themselves. i.e. managers need to get out of the way. When a team is open to the idea of Agile or scrum, then the manager could ask the team if they would like training or coaching. But the ground has to be made fertile first.