Previous submissions of effectively the same story:

321 comments: https://news.ycombinator.com/item?id=30632695

11 comments: https://news.ycombinator.com/item?id=30635090

10 comments: https://news.ycombinator.com/item?id=30638222

5 comments: https://news.ycombinator.com/item?id=30633169

4 comments: https://news.ycombinator.com/item?id=30640290

2 comments: https://news.ycombinator.com/item?id=30640300

I've omitted some duplicates.

Calling for violence against people based on nationality is wrong.

non paywall: http://archive.today/vUNG2