Just reading this:
gawker.com/5950981/unmasking-reddits-violentacrez-the-biggest-troll-on-the-web
The site 'reddit' is very popular with computer geeks. And they are quite devoted to all kinds of free speech.
So you end up with stuff like this: www.reddit.com/r/beatingwomen/ (offensive, violent, etc., probably best not to visit)
still there, even after the site has been exposed and the child pornography removed.
It seems like a race to the bottom, presided over by those with the best computer skills but no empathy or consideration for others.