RAZD, Eta, remain calm. There is no need to let someone so silly get your goat. Simple state the issues and ask for rational replies back. The longer a question is avoided the more amusing it becomes.
All of which may be true so perhaps you could say some comment was called for. However you particular comment did not move the discussion forward.
This post is closer to what you might have posted: Pointing out that LA is ignoring your posts. That is the important point. Making suggestions as to why that are simply an insult to him does help.