I do not know for sure but I have my own opinion about why (which I will keep to myself). I will say that I think there was a primary reason which was compounded with several other factors. Only olds can truely answer this question. I simply wish he was still with us. It is my understanding that he is still doing the chat thing. Unfortunately, given my lifestyle, I can not participate in the chat sessions during the hours involved. I may be retired but I am very active and late night activities are simply out.