Once again, this makes more sense if you understand that the titular 'Hero' is the teacher from the Wall (see the Gunner's Dream). The little ingrates are his pupils, who are growing up without the pressures of war.
Once again, this makes more sense if you understand that the titular 'Hero' is the teacher from the Wall (see the Gunner's Dream). The little ingrates are his pupils, who are growing up without the pressures of war.