Note that this could be caused by a number of things. A couple thoughts:
It gives equal weight to submissions and comments. There could be a lot more vim submissions from a handful of contributors, but they may be less likely to get the votes to bring them to the attention of HN.
Another possibility is the increase in popularity of other text editors, namely Sublime Text:
It gives equal weight to submissions and comments. There could be a lot more vim submissions from a handful of contributors, but they may be less likely to get the votes to bring them to the attention of HN.
Another possibility is the increase in popularity of other text editors, namely Sublime Text:
http://hntrends.jerodsanto.net/?q=emacs%2C+vim%2C+sublime
It could be that Sublime Text stories garner more comments from vim users for some reason.