Very childish indeed, it was not an apology at all but a 'they're doing it too' kind of post. I've seen this type of childish behavior on a couple occasions with them (e.g. http://www.youtube.com/watch?v=4NAzQPll7Lo )... I'm quite surprised they decided take this approach.
Edit: mirror, since I'm betting the text will be modified soon considering the reactions here. http://pastebin.com/dMh7dgxp
Who, HackerNews'?? It's always so funny when people insult someone and assume the rest of us will know what they are talking about instead of assuming your comments apply to yourself.
Edit: mirror, since I'm betting the text will be modified soon considering the reactions here. http://pastebin.com/dMh7dgxp