Originally Posted by LobsterMagnet
Oh c'mon we never really learned that much about Sasori.
Kishi never really fleshed out those flashbacks, all we got were the recurring image of him using his puppet parents to try and hug him. We never knew why sasori killed them.
We never really knew why he was even in the akatsuki aside from the fact that he was kage killer, plus with an arsenal of 300 human puppets who knows what kind other crazy things he might have developed
Honestly I had to chose who I'd rather see survive from that arc, I would have preferred to have Diadara killed off and Sasori continue to go on.
From what we've seen Diadara seems to be nothing more then a one trick pony.