"I have heard only Wordpress's side of the story, and that has made me conclude that Wordpress are in the wrong."
We have heard only Malibals side of the story, and it makes me think it's most likely them who are the most at fault.
But I didn't know it was that bad in the firmware space.
How can you be champion of open source if you employ such practices? Double the cost?
In addition, specifically outing people like this by name without letting them have any chance to respond in the article is unprofessional, especially since it isnt needed in order to drive the point home.