alt Hacker NewsI (the comment writer), agree that it's jarring and a bit obnoxious. There were three factors that led me to write it anyway, which I've mentioned here:
https://news.ycombinator.com/item?id=46209137
Edit: Rereading the comments, I agree (heheh) with you analysis. I hadn't considered saying "I agree", because I didn't feel I was expressing an opinion, but a fact, like 1+1=2. The comment stated that the mods in fact disallow those comments and provided proof, so I didn't consider it an opinion.
Heh, and rereading my comment, it comes across as more against the usage than I actually feel. It's not my personal style, and sometimes I find it annoying, but 80% of the time I think it's totally fine and expresses a nuance that would take a lot more words otherwise. Your usage here, for example, seems totally appropriate to me.