It would give the victims closure.
He could have been allowed to utilise the country's euthanasia laws after the trial.
Justice isn't just about seeing the accused get a fair sentence. There is no fair sentence if you are the victim of such a crime which is why all civilised societies have a justice system and don't just allow victims to decide what happens to perpetrators.
Your day in court is a formal acknowledgement of the harms you have suffered at the hands of the perpetrator and an official apportioning of blame.
