I have been asked several times since I started writing this blog, why I bother responding to the negative comments. My response has always been this. This blog is to offer an alternative way at looking at things. So I do not write in reaction, I write in response. I write to the other readers who read this blog.
Many times even the writer himself is not aware that they are negative. However that negativity infects. If it is not challenged it eventually takes over the environment. It's a little like a virus.