The softer the topic, the more room for subjectivity. The more room for subjectivity, the more room for controversy. Mountain long threads tend to be highly emo

The softer the topic, the more room for subjectivity. The more room for subjectivity, the more room for controversy. Mountain long threads tend to be highly emotional/opinionated bickering that doesn't go anywhere, because the topic is so subjective that people can easily stick to their own biased worldview, reiterating the same old talking points.