Aaron didn’t choose to fight. He chose to kill himself. Which turned him into an unreasonably glorified martyr whose case people still talk about to (and on) this day.
You couldn't be more wrong. The plea bargain was offered early in the case, Aaron thought he could fight it, but the case went on too long, and he ran out of money to fight it. Only after he had absolutely nothing left for the fight did he take his own life.