We use incredibly expensive technology to defend against incredibly cheap and effective weapons. That’s simply an unsustainable way to operate.
But it does benefit certain politically connected people so nothing is going to change. Its only taxpayer money after all.
The overriding concern in DC when designing, building and maintaining a weapon system is the profit margins for the MIC oligarchs, not the effectiveness of the system for the poor dumb grunt in the field who’s life depends on it.