1. Its an old directory (trusted) 2. It is used by other search engines and directories (so your link will be distributed) 3. Its got a high PR 4. Its run by morons 5. You get traffic if you get listed (have had a site in dmoz b4 and it increased my sales not just traffic) 6. Its mysterious 7. It looks like something from the 90's 8. Its green Can't think of anything else
You really hit the nail on the head with that one That would likely depend on the category. About the only traffic I've gotten has been from editors (as far as I can tell).
I had a website around 5 years ago, it got listed in dmoz pretty much straight away back then. I found I got traffic from directories and tons of smaller search engines that used dmoz for data but yea, morons