Are you asking why are the pass rates dropping?
Several reasons I guess..
1. There are a lot more "I can pay cash cadets". ie Selection consists of "ability to pay" not "abilities"
2. The cost cutting in these organisations is huge. (esp. last 12 months)
3. Quality of training is limited to bare minimums now. (I was told CTC has cut upset training (extreem UA's) and other non essential training.
4. One good thing is CTC/OAA will not kick you off the course anymore (due to poor performance), because it will cost them too much.... Have you heard of anyone in the last 6months been removed?
I hope I have answered your question.