This analysis ignores completely ignores another analysis posted in the referenced "most toxic communities" AskReddit thread (http://www.reddit.com/r/AskReddit/comments/2v39v2/what_popul...) which charts the positivity and negativity of submissions to the top 100 subreddits, which had similar conclusions: http://i.imgur.com/8MGbiBO.png

I'm a bit upset about it. :P