You could make the same argument about any piece of software or tool. What about the operating systems this AI is running on!? I don't think the makers should

You could make the same argument about any piece of software or tool. What about the operating systems this AI is running on!? I don't think the makers should be held accountable, but ultimately guns are made for shooting things which is naturally a pretty violent act. The gulf between them and AI is pretty wide. A closer analogy would be a sharp tools maker.