Yes, I agree it’s problematic and, because he was a minor, we will probably never hear the full story, as with that 12yo stabbing incident in Brisbane recently. Not knowing the full story behind these incidents is very unsatisfactory.He basically needed to take the beating or use such force that does not 'exceed' that of the other person?
If they said that stabbing someone was ok in self defence when you are being beaten it would be a bit problematic.
We don’t know what preceded the attack and whether there was any provocation, but my thoughts are that if an innocent person is attacked, he should be entitled to defend himself with whatever force he can muster, even if it means the death of the attacker, because he doesn’t know if the attacker is planning to kick him to death or what, so how can there be "excessive self-defence"? Some thugs viciously attack innocent people just for the thrill and the notion of being required to “take the beating” is completely unreasonable. I have absolutely zero compassion for such types.
However, if he provoked the attack and it was gang related, it’s a very different story. I wish we could be told ALL of the facts.