@dang I'm honestly not sure what the correct cause of action is when one person is effectively taking over a thread with their comments. They appear to have a deep-seated hatred of Scott McNealy, so perhaps should not be commenting for their own mental and emotional health. But their comments have lots of information that will probably spark a lot of conversation.
My gut feeling is that we shouldn't "encourage" such commentary, but I know many in the HN would disagree with me.