Most of the article is spent discussing politics with only a little bit at the end about inferring moral culpability from the causal diagram. The reason for avoiding political references is because it makes people take sides based on their liking a person or a party, and so should be avoided if possible. It was possible to avoid discussing the specific political debate in question, and because very little of it was devoted to its non-political point, so I voted it down, per my reading of the standard and its intent.