Well, we don't. Just look at all the wars going on right now. In light of that, does it seem like a good idea to introduce a bunch of even less aligned agents i

Well, we don't. Just look at all the wars going on right now. In light of that, does it seem like a good idea to introduce a bunch of even less aligned agents into the world? "Grey goo" nanobots are another example of artificial agents that aren't aligned with humanity, that we should probably try to avoid creating.