Recalling your ambassadors was once a warning to the host country that war is imminent. Who needs amabassadors nowadays anyway? It's not like you have to send

Recalling your ambassadors was once a warning to the host country that war is imminent. Who needs amabassadors nowadays anyway? It's not like you have to send your delegate on a boat for one month to talk to the other party. My home country once recalled its ambassador and he had to take a one hour car ride home "for counsultations". Can't we just stop the theater?