http://webdesign.about.com/od/copyright/f/no_cw_notice.htm
http://en.wikipedia.org/wiki/Berne_Convention

It is copyrighted, we never said otherwise. Please learn a bit about copyright before you make statements like this or accuse us of making stuff up.

We will add an explicit notice in future releases for people like yourself who are unaware of the Berne Convention or how copyright works.