How does the fact that he is not invested give him the right to spread false informations and throw dirt? When i see bullshit, i call it out. simple as that.
My opinion is as good as his. But my sources are much better and reliably researched and obviously not biased.
A developer defending his project with a blogpost that mostly seems preoccupied with attacking the authors instead of their argument is "obviously not biased"? That response makes them look even worse.