>>514157209
Drones can be easily tracked visually and audially. Camera and microphone arrays can easily track them and then either intercept them with a kinetic drone or shoot them. It's not even hard or expensive to do, hobbyists have been making machine learning tracking guns for over a decade. The military industrial complex is simply an oligopoly and maximizing profits with massive wasteful boondoggle projects.
https://www.youtube.com/shorts/CUk-yrsU5YQ