As written several times, the delays appeared unexpected due to COVID and later the war in Ukraine. Again, what exactly should be done in such a situation? Als

As written several times, the delays appeared unexpected due to COVID and later the war in Ukraine. Again, what exactly should be done in such a situation? Also, what about such a situation makes verbally abusing support personnel reasonable? This isn't about being expressing they're disappointed or angry, it's about abusive people lashing out over factors no one can control