Someone above points out that his death certificate included "stomach bleeding", so the answer may simply be "he didn't": https://news.ycombinator.com/item?id=

Someone above points out that his death certificate included "stomach bleeding", so the answer may simply be "he didn't": https://news.ycombinator.com/item?id=21673521 https://news.ycombinator.com/item?id=21673521