I've experienced a form of hostility in StackOverflow just recently--as in a couple of days ago. On a whim, I visited the website and answered a couple questions, something I'd never done before. I realized it was actually a lot of fun, so I started rapidly answering the all JavaScript questions I could as they were asked. Suddenly a "higher ranking" individual started leaving comments on my answers that I needed to…
I had a similar experience recently with a question I had answered years ago. A highly ranked user came in, complained in a comment about the fact I linked to documentation instead of copy pasting the docs into the answer then downvoted me causing a loss of 2 karma. I reported the comment because it was ridiculous this person is scanning questions which are years old to try and find things to nitpick. I'm not sure if…
A good citizen would remove their downvote after you did that.
A better citizen would have just made the edit themselves to help everyone.