Do you really think that a 14 year old is incapable of understanding that hurting someone is wrong? And that they don't understand that there will be consequences to their actions? Because I find it hard to believe.
>Edit: if you give a child the keys to your car and they hit someone with it, who is at fault?
https://www.spiegel.de/international/spiegel/violence-in-rio...
Stories like this aren't too uncommon. The ability to charge kids as adults can potentially prevent people from trying to side step the rules.