This is, simply put, a direct result of the Steam Greenlight system.

Since anyone with access to $100 and an asset pack is able to become a self-published con artist, it was only a matter of time before one of these con artists had enough money for a hired gun lawyer to try and silence what they perceive as attacks from users and critics.

The publisher is question is Digital Homicide. Enjoy a bit of the context and backstory below.

(to be viewed chronologically): [1] [2] [3] [4]

1) http://www.thejimquisition.com/the-jimquisition-the-slaughte...

2) http://www.thejimquisition.com/steam-vote-rigging-and-shady-...

3) http://www.thejimquisition.com/digital-homicide-and-the-case...

4) http://www.thejimquisition.com/the-jimquisition-homicide/

Good on Valve for taking action.