Whats compounding existing reality, is how cheap it is to use commercial tech from any of these manufacturing hubs, china included, and turn it into a small but persistent offensive weapon.
So now Americas got billions of dollars worth of ammo up agains millions of dollars worth of fodder, and that won't clear the way to controlling a large, well defended plot of land.
America's leaders are drunk and high on their own propaganda, even while Ukraine has demonstrated just how useless the old, bulky and costly tech is.