There’s no downvoting on stories at any karma level. Only comments. On stories, users can either upvote if they like the story or flag it if they think it’s the wrong type of content for HN. So, no overlap.
You might consider that dang has been an avid and respected user of HN since it began over 10 years ago, and has worked on it as his primary occupation for 6 years, so by now he knows a thing or two about what kinds of content, functionality and conduct are conducive to a healthy community.
You might consider that dang has been an avid and respected user of HN since it began over 10 years ago, and has worked on it as his primary occupation for 6 years, so by now he knows a thing or two about what kinds of content, functionality and conduct are conducive to a healthy community.