MM
Just to make sure you have understood what others above have alluded to.
AEF is not flying training. There are no students, only passengers. It is a series of Air Experiences of a military nature intended to develop and foster an interest in aviation for deserving Air Cadets. The organisation also provides gliding scholarships and, for the very select few, pilot scholarships - which is PPL flying training delivered to the prescribed syllabus by a civilian FTO.
There are forty six thousand Air Cadets and many more Sea Cadets, CCF, Scouts, Girl Guides etc etc. without whom our society would be a much poorer place. Most offer many types of adventurous training and with all such human endeavours, risk comes with the activity.
All these activites are managed to the Nth degree and accidents are rare (much more so than the teenage violence we see in other parts of our society).
If we ever stop our youth from partaking in these superb organisations, and their associated activities, with all that they bring to the positive development of these young adults - be it from a lack of funding, or risk adversity - then we as a society will be well and truly screwed.