They are taught to fly with AP all the time and raw data is forbidden... But for some people, that the way it should be...
That is outrareous. In this neck of the woods, the regulator has decided in mutual agreement with the legacy carrier that I fly for, that a raw data approach is part of the type rating exam.
If you can't do it, you don't fly.
It's simple. Cleared to 900 mts. Dial in 900'. Figure out you're not supposed to be there go around.
Sounds very plausible. I'll put my money on that.