Shaft109,
The backpackers slightly more rounded life experience might make them a poor choice. Their stories of smoking pot in Malawi, finding Krisna consciousness in Goa and boozing on Ko Pha Ngan could antagonise the middle aged balding left hand seater.
Re-heat,
That sounds a little harsh. Perhaps person A has too narrow a perspective on life that flying, integrated, 60K debt has come before all other personal development. Afterall, the military looks for character rather than ability.