Article author here. These ISPs are violating long-venerated network protocol. As for who it hurts, it's a highly annoying experience for folks who are used to

Article author here. These ISPs are violating long-venerated network protocol. As for who it hurts, it's a highly annoying experience for folks who are used to having the browser -- not their ISP -- handle errors for non-existent domains. In addition, there are a number of other ways in which this breaks the Internet; feel free to refer to the bullet points under "Examples of functionality that breaks when an ISP hijacks DNS": http://en.wikipedia.org/wiki/DNS_hijacking http://en.wikipedia.org/wiki/DNS_hijacking