From the list, I would say there remain communities—and this was touched on a few minutes ago—where there are concerns that parents have about letting their children align with what looks like an authority structure in this society. This is true of new arrivals in Canada. This is true in certain other communities.
The recruiting system is used to just dealing with the applicants, and Youri is absolutely right. To start to make inroads into those groups, those entities, it's important that the recruiting system also engage the community leaders and the parents. It's not enough just to deal with the applicants to change attitudes about people joining what the social world they're in may see as an authority structure they're not comfortable with.