Its the result of logic. In 2016, our military was moving toward the following doctrine: The Importance of Distance in Modern Warfare - Modern War Institute (westpoint.edu) And then Russia invaded Ukraine, and it relatively quickly devolved into attrition-style trench warfare from 100 years ago, that Ukraine is now going to lose due to a lack of trained frontline combatants, despite being provided endless high tech equipment from every corner of the western world. As it happened: Conflict settling into 'WW1-style trench warfare' - BBC News Ukraine’s war of attrition draws parallels to World War I - The Washington Post Ukraine round-up: Is Russia running out of troops? (bbc.com) Has Ukraine's counteroffensive against Russia failed? One officer says it was doomed from the start - ABC News 'Boots on the ground' win and lose wars. I have not served in the military.