Yeah, I'm joining the Debbie Downer camp here. I can't really see what good there is in making a thread like this. Though I will say that two of my favorites are gone indefinitely (I tend to dodge social politics, so I'm not sure their stories, but they are both witty, intelligent folks).
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan