Downvoted are for comments that do not appear to add value. That's not a rigorous definition, but in practice it works reasonably well. The original comment ma

Downvoted are for comments that do not appear to add value. That's not a rigorous definition, but in practice it works reasonably well. The original comment made a pretty explosive claim without any rationalization. Without some substantion that comment just inflames folks without fostering an interesting discussion. My 2c.