Isn't there still the thorny issue though that we don't know "why" some the ML works? See: "The Dark Secret at the Heart of AI": https://www.technologyreview.

Isn't there still the thorny issue though that we don't know "why" some the ML works? See: "The Dark Secret at the Heart of AI": https://www.technologyreview.com/2017/04/11/5113/the-dark-secret-at-the-heart-of-ai/ https://www.technologyreview.com/2017/04/11/5113/the-dark-se... and "Machine Learning Works Great—Mathematicians Just Don't Know Why": https://www.wired.com/2015/12/machine-learning-works-greatmathematicians-just-dont-know-why/ https://www.wired.com/2015/12/machine-learning-works-greatma...