So they want people who are
1. Over 17/18 (Finished year 12)
2. Have a passion for aviation.
3. Have minimal flying experience?
Surely by the time you are 17/18 points 2 and 3 are pretty much mutually exclusive.
I have a passion for aviation (unfortunately) and when I was 15 I would use 100% of my fortnightly pay to have a 1 hour flying lesson every 2 weeks, and I know many others who did similar.
The only situation I can think of where it would apply would be someone with a disqualifying medical condition.