As my colleagues here today have said, and as a number of people have told me, there's a perception that the candidates on the priority list aren't the right candidates. A number of managers have acknowledged this perception. There's a system whereby positions are posted, and we can be added to a pool of candidates in order to be considered for one of the positions. Managers can draw from this pool as needed.
In my case, I circulated my CV in some departments. Some departments are looking for qualified people, but they have difficulty finding them. When these people saw my CV, they said that they didn't know I was available. That's when I received calls for an interview.
The perception of the system is that it doesn't generate good candidates. In three cases, I was contacted because I had boosted my application by circulating my CV on my own. The system works to some extent.