>shame Facebook
If only. The entire post is to (a) differentiate their Paper from the FB Paper and (b) make an effort to protect what little trademark they have.
They're making it public so everyone can know "We exist, we were here first, please don't let FB steamroll us."
If they didn't do this, in six months FB lawyers would send a cease-and-desist telling them to stop using Facebook's trademark "Paper."
If they make enough stink they can maintain their brand. If they don't, then the 800-lbs Facebook gorilla will take away their brand identity.