Why do people abandon their blogs?

I was bored yesterday, so I clicked the “Next Blog” button at the top of the main page to see where I’d go. I kept clicking through random blogs for a bit, and I was surprised to see how many had a post that read something like “I’m sick of blogging. I quit.” or “I’m too busy. I quit. This blog is finished.”

I can understand not wanting to blog, or being too busy, but why go and say you’re not going to do it anymore? Just do what I did: I blogged a little last March, lost interest, didn’t blog, forgot about the whole thing, got bored one day in December, remembered blog’s existence, and came back.

I assume Blogger will delete your blog eventually if you don’t use it, but apparently it takes them a long time. Seriously; why say “I quit”?

What's your stake in this, cowboy?