[_qhtn]

Where should I mail a bomb?

[dang]

We've banned this account for repeatedly violating the site guidelines.

https://news.ycombinator.com/newsguidelines.html

[sgt]

Seems like he posted a lame joke. The appropriate response would be for other users to downvote him. I've seen his other comments and he'll regularly be downvoted, but I think you're overreacting a bit. Perhaps you should stick to making sure HN runs, and aside from that mind your own business?