Well, nobody knows since strong AI doesn't exist yet. That said I'm not sure why it would be assumed deep learning is necessarily a path to that, let alone the

Well, nobody knows since strong AI doesn't exist yet. That said I'm not sure why it would be assumed deep learning is necessarily a path to that, let alone the only path. I suspect that if you asked a strong AI to bootstrap itself, it'd probably figure out quite a few radically different ways to do so. There probably isn't just one path.