Here's how I handle online abuse
troyhunt.com
troyhunt.com
The solution is one that works well where it is afforded, and breaks down pretty badly where it isn't. I noticed this quite especially on Imzy, a new site pitched as a "kinder, gentler Reddit", and claiming several ex-Reddit employees among its own founders. The site combines a number of profoundly dysfunctional dynamics, including pervasive single-instance anonymity, inability to block anonymous tormenters, and several UI/UX patterns which exacerbate the situation, as well as a founding user cohort already exploiting the opportunities afforded. I have been, and will be, critical of the site on account that its own top management, including Dan McComas, CEO, seem entirely insensitive to compound issues.[2]
There's another problem where the administrators of a site, either volunteers or (as in the case of Imzy) management and employees create or foster a hostile environment. One of the more salient criticisms of Wikipedia is the article-squatting which occurs by entrenched interests (often manifesting as edit wars), particularly over politically-charged issues, though petit wars can also emerge on obscure topics. I'd posted Peter Strempel's criticisms of Wikipedia to HN a day or so back,[3] even though I disagree with many of his conclusions and don't quite understand his goals (he and I have been discussing the matter at G+). I've witnessed the issue myself most especially on global climate change and related articles, particularly those involving the Koch Brothers (or their various companies and political-influence "charities"), or organisations emerging from the Mont Pelerin Society and Atlas Network (including many Koch-associated institutions).
Reddit certainly has its problems of moderator capture / squatting, including such incongruencies as the xkcd forum falling prey to a set of MRA, neonazi, and Holocaust-denying interests.[4]
Scott Alexander's Slate Star Codex has some excellent discussions of toxic dynamics among online communities, most especially "The Toxoplasma of Rage".[5] There's much prior art going back to Charles Mackay & John Templeton's Extraordinary Popular Delusions and the Madness of Crowds, and Gustave le Bon's The Crowd: A Study of the Popular Mind (both available via the Internet Archive's truly amazing books collection).
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Notes:
1. https://plus.google.com/104092656004159577193/posts/drLZV8sm...
2. See for general issues: https://www.reddit.com/r/dredmorbius/comments/500ysb/the_imz... For problems and failures of oversight, see: https://ello.co/dredmorbius/post/qdxyzy2x4lbaq_4rx81nnw
3. http://peterstrempel.com/index.php/culture/phantoms-of-fear-... for g G+ discussion: https://plus.google.com/+PeterStrempel/posts/Rbm6AusBgmt
4. Discussed briefly among other issues with Reddit: https://www.reddit.com/r/dredmorbius/comments/20yhxc/reddit_...
5. http://slatestarcodex.com/2014/12/17/the-toxoplasma-of-rage/