Digital Restrictions Management or DRM is any software functionality that is designed to prevent you from using the files on your computer the way you want to use those files. This is obviously a malicious feature. And is defective by design.
This comment thread is for people to document various implementations of this malicious feature.
It seems like the project is meant to show that they understand the frustrations of people who didn't understand where the Game Engine was gone. And in the same time, to develop / polish Blender in regards to game development.
The question stands though: Is DOGWALK even Libre?