It's also possible that the developers who wrote this software are very aware of the ethical questions surrounding it and have decided that the benefits to soci

It's also possible that the developers who wrote this software are very aware of the ethical questions surrounding it and have decided that the benefits to society in combatting crime and terrorism outweigh the harms from misuse of the technology. While I don't personally agree, I can see how someone could hold such an opinion. One of the things you'll learn in an ethics class is that ethical values are heavily influenced by culture and circumstance, and there are vast differences in what different groups of people believe is ethical and not.