He's been let down by a lot of grown ups, foreign policies etc
Have you seen pictures of Kabul from the 60's to now?
That not foreign policy that's the Taliban
That's religious extremism. Islamic Extremism to be precise. He was offered sanctuary in a western "safe" country, where he could live in PEACE AND SAFETY.
A precious state of affairs he has robbed those train passengers of. I don't doubt he is tramatised, perhaps his victims were too?