AskPG: Why was this popular submission about phone chargers killed?

I have seen this topic numerous times (maybe different links but the same topic) over the past few days so perhaps it was killed because it was a duplicate? It shouldn't have been though as there was a very active discussion going.

Article: <a href="http://www.arcfn.com/2012/03/inside-cheap-phone-charger-and-why-you.html" rel="nofollow">http://www.arcfn.com/2012/03/inside-cheap-phone-charger-and-...</a><p>HN discussion: <a href="http://news.ycombinator.com/item?id=3903705" rel="nofollow">http://news.ycombinator.com/item?id=3903705</a>