Earlier quoted context omitted.
How is me allegedly not admiring something related to missing "the" point of the article?
Open source is not Free software. The blog post is about how Blender is firmly behind the GPL and free software, which is in opposition to just having available source code without assured user freedoms.
One example is I was recently messing around with Space Engineers code. Keen software gives opens it up but doesn't mean you can just download the code and get the game for free