This reminds me of Waleed Aly's fantastic talk on Ethics & Technology in which he explored multiple ethical implications of self-driving cars.

Unfortunately, I can't find a recording of his talk (which I saw at Above All Human conf a few weeks ago) but here's an article about it, which may or may not capture the essence for other interested people: http://www.afr.com/p/tech-gadgets/see_an_ethicist_first_wale...