That's why talented people has lots of avenue to go to. You don't trap talented people in confined area and expect him to be better.
They got to go out of their zone and cut their teeth with the best of the best. In this era, we need to find people who fits best into the role they are being called into. There's no way one Minister can helm Ministry of Man power then a year or 2 he went into Ministry of Health then to trade minister.
When you look at it this way you find that the old way of sending scholars into elite administration service and pay them sky high is not going to cut it in this new era.
For national service , you need specialist people to run the forces.