On the other hand you have vicious griefer groups which stalk memorial pages like hacker groups do old Joomla installs. These are organized groups who will drive people to suicide by massive cyberbullying campaigns, then gloat about it online, for as much relatives to see. Real unadulterated meanness. They don't seem to get arrested as much as the people who will say stupid stuff under their real names. And complaining to Twitter or Facebook about these groups seems futile. In the case of blatant racism or harassment these forums have a responsibility too: They could remove it, say it is against their TOS and no complex or biased legal system would have to get involved. In my opinion it is a form of malignant spam and is to be treated as such: employ filters, community feedback and manual reviewers to solve it as a spam problem. Spammers, like griefers, will continue.
[1] http://www.theguardian.com/commentisfree/libertycentral/2012... [2] http://www.thisamericanlife.org/radio-archives/episode/414/t...