There appear to be some serious flaws in a causal argument from that data; see my other comment https://news.ycombinator.com/item?id=14221542 https://news.ycomb

There appear to be some serious flaws in a causal argument from that data; see my other comment https://news.ycombinator.com/item?id=14221542 https://news.ycombinator.com/item?id=14221542 for more details.