Vote this up if you agree with DarkShikari's missing downvote statements.

Over at http://news.ycombinator.com/item?id=320415 DarkShikari raises points about a lack of downvoting.

How much of an issue do you see a lack of downvoting being?

How would you stop 'Vote up if' posts on HN? (Yes the title is deliberately cringe/rageworthy)