The boundaries of harassment are very blurry and tend to favour the powerful. For example, some of the campaigns against online harassers look even more like harassment than the actions they're going after people for: http://www.spiked-online.com/newsite/article/online-trolls-w... Except that because it's the press harassing people to the point of suicide, we don't see anything wrong with it.
Not entirely true - the reaction in the UK to this whole incident has been quite negative from what I've seen. Then again, we're not overly happy with our press at the best of times...