Less trivial than just shooting them out of the sky or jamming gps signals? They are only using them because they are cheap. They don't have much choice in this war.
DJI has been leaning into military usage for years now. This is DJI funded drone competition https://www.robomaster.com/en-US/robo/overview where uni students (from ~hundred top Chinese technical universities) build and operate a small tank/flyer drone unit against opponent squad. Tactics, fully automated avoid and evade systems, autoaim guns, its all there. Winners automatically get job offers.