The numbers and analysis are interesting, but the article seems to me to have some anti-NRA, pro-gun/arms control bias. I think they're usually fairly neutral.
I predict we'll see another re-hashing of the gun control / second amendment debate here in the comments.
There have been a few submissions lately that make me wonder if Hacker News is headed in the direction of Reddit. I don't mean to pick on yours particularly, the timing was just convenient.