Why Should Website Sponsors be Immune from Cyberharassment?

In Imposing Tort Liability on Websites for Cyberharassment, Prof. Nancy Kim argues that the immunity enjoyed by website sponsors as publishers should not mean that they have no obligation whatsoever for the activity on their websites. Website sponsors, the entities that own the domain name and control the activity on a website, have a proprietary interest in their websites and therefore should be subject to the same standard of conduct as other proprietors.