Seeing that he pleaded guilty I assume the victim can now proceed to sue the sh*t out of him in a civil court for all sorts of damages.
Scarred face, nightmares etc etc. I hope the victim takes everything he owns off him.
Re Magistrates I've been told they operate from an "ops manual." Any sentences outside this suggested range will quickly lead to an appeal to a higher court. Hence first offenders usually get a smack over the wrist with a wet bus ticket.