There's really nothing there - 11 likes and 1 comment ?
Also, this very same Facebook link was linked to at https://cstheory.stackexchange.com/questions/38803/is-norber... by https://cstheory.stackexchange.com/users/24/opt
Neither this HN user, that FB user nor that stackexchange user seems like anyone important, respected or relevant in the field of CS of this article (correct me if I'm wrong).
Smells like a bad attempt at karma whoring to me.