Previously

(52 points, 21 hours ago, 5 comments) https://news.ycombinator.com/item?id=42979187

(55 points, 17 hours ago, 5 comments) https://news.ycombinator.com/item?id=42980445

(20 points, 14 hours ago, 8 comments) https://news.ycombinator.com/item?id=42981120

(16 points, 12 hours ago, 4 comments) https://news.ycombinator.com/item?id=42981756

(30 points, 7 hours ago, 6 comments) https://news.ycombinator.com/item?id=42982964

It's a contentious issue, the oldest submission has been flagged & vouched a few times now.