I feel like half of what I see here is advertisements thinly disguised as blog posts. Now this company needs to promote itself a second time by calling attention to the first time it promoted itself?
The best part of this article was seeing what they did wrong, how they listened to the feedback and made changes.
Maybe a bit wordy, but I would have gone with something like, "What we learned we were doing wrong when our Show HN landed on the front page."