Because some people don't think that the experience of self is a consequence of being made of human meat. Consider that your body is a vast and complicated thi

Because some people don't think that the experience of self is a consequence of being made of human meat. Consider that your body is a vast and complicated thing that nevertheless when you zoom in is composed of clever machines. If you observe that consciousness arises from that, it is not unreasonable to suspect that consciousness is a process and not a property of matter. This brings us to your question whose answer is; there is confusion because there is genuinely no clear answer.