Maybe the RAF should go back to the old short service commissions. Not the 5/8/12 of the old DC (B) but a fixed term of say twelve years. They would have to get their training organised to get productive service out of them but they would know that they will have been taught to fly modern equipment which would ease there way into civilian life at a certain point.
As they are not going to be VSIs there is not lot of point of them spending a long time at Cranditz so you can go back to the old short ITS course. Get the flying training out of the way in two years or so then on a twelve year stint you will have them up front for about nine years. You will not have wasted training by them doing staff courses or administrative posts so their flying will repay the investment.
It is a kind of 'Specialist Aircrew' from signing up. You could also dispense with all the requirements for university education as there seem to be enough military pilots around the world flying very complicated bits of kit without that benefit.
A young, fit, naturally gifted pilot joining at eighteen knowing that he/she should be pat for an airline job at thirty.
We've been there before.