Yamato believes that the assailants were not grave robbers but were after Sora. He decides to appoint Sora to Team Kakashi as a temporary stand-in for the injured Sai.
Well, from my standpoint,
it was just a simple father-son argument.
حسناً، من وجهة نظري، كانَ
مجرّد جِدال بين أب وابنه
Per come la vedo io, 
era un semplice litigio tra padre e figlio.