Equalitynow is not solely responsible. The UK parliament and Unicef were involved as well.
http://zepy.momotato.com/2009/05/28/rape-games-are-now-banned-in-japan/
-EDITED-
Okay just as Artefact said, it's not the end of the world. EOCS isn't part of the government, it's just a self regulation group. There are others, and what we can expect is for some of those under EOCS to shift to other review boards in order to publish their games. The amount might diminish but it will not vanish altogether. Besides, doujin soft aren't covered by boards like this.
Sorry for helping spread the hysteria.

Subarashii Sekai Superbly Seductive
The Wolf-Boy & The Girl in The Red Hood Sweetly Feral
Rory Mercury Cosplay Godly & Gothic
One Piece: Burning Blood Trailers Fiery Hot
Ero-Manga Sensei Anime Announced