This minor matter isn't worth making such a huge fuss over.
Tips
history
《论语·季氏》 warns against "plotting to move shields and spears within the state" - Confucius's critique of rulers who let internal strife escalate to war. Modern use has softened to "overreacting".
culture
干戈 literally names two ancient weapons (shield and dagger-axe) - together they serve as a synecdoche for "warfare" throughout classical Chinese.
