"I Can't Afford to Sue DC": Fables Creator Releases Hit Comic Series into Public Domain (Including Wolf Among Us)

Summarizing his statement wouldn't do it justice so I recommend you read it in full, he explains why he does it and what has DC done to anger him to this extent - but it's also a move about more than just to spite DC.

original source (Willingham's blog): https://billwillingham.substack.com/p/willingham-sends-fables-into-the