Or maybe because it would be an act of war and a war crime to drone-strike civilians in a foreign country because of them committing a criminal act? We general

Or maybe because it would be an act of war and a war crime to drone-strike civilians in a foreign country because of them committing a criminal act? We generally arrest criminals and put them on trial, we don't summarily execute them by raining fire from above. I hate robo-callers and scammers as much as anyone, but I don't think drone-striking them is the proper response.