They don't? Stinger costs $100+k, high speed drone around 1k. There are no viable ways to EW counter man-operated drone capable of locking the target with auto

They don't? Stinger costs $100+k, high speed drone around 1k. There are no viable ways to EW counter man-operated drone capable of locking the target with autopilot. The biggest issue in such approach is opportunity cost: you can quickly fire another manpad, but not a drone.