Drones don't work precisely because they create more enemies, which is why we are there in the first place. In the vicious cycle of this asymmetrical warfare the drones are the cause of more resentment, more enemies, and more wars.
Today's unmanned aerial vehicles, most famously Predator and Reaper drones, have been celebrated as the culmination of the longtime dreams of airpower enthusiasts, offering the possibility of victory through quick, clean, and selective destruction.
Think about it: What does a drone do? Like a modern car factory, it replaces a pilot, a skilled job that takes significant training, with robotics and a degraded version of the same job outsourced elsewhere.