We detached this subthread from https://news.ycombinator.com/item?id=18009417 and marked it off-topic.
> I am also not too hopeful about US changing considering its federal-state model. In EU, multiple countries can agree on a decision, but US states are adept at bikeshedding and not getting anything done :(
Detaching mine, while leaving the parent (which created the political tangent in the first place), is an obvious example of moderation from bias.
Choosing where to prune these threads is always a judgment call. You're right that the offtopicness often starts on both sides. But it's a matter of degree. Your comment was a significant degree worse, which is probably why its subthread was significantly lower in quality.