Swapping five senior terrorist jihadis for one anti-American GI POW may prove to be okay if it turns out a court martial finds him guilty of dissertion and imprisons him for life. Otherwise, it was a turkey of a deal.
It's relatively certain that Bergdahl's squad mates think he went over to the enemy. It is being reported a 2010 Army investigation concluded he did so. Nobody gets to pick their parents, but it appears his father is a nut case and perhaps he inherited it.