Yes its old news and yes its abuse. And yes DMOZ knows about it and could seemingly care less. There have been past discussions about this at CAP do a search for DMOZ they are still available.
Even Stevie Wonder could see that DMOZ editors are approving either their own gambling sites or those of friends/associates/paid clients.
See this:
http://www.corruptdmozeditor.com/2005/07/get-into-dmoz-what-you-need-to-do.html
and
http://www.corruptdmozeditor.com/2005/05/dmoz-editors-are-laughing-at-your.html
and
http://www.corruptdmozeditor.com/2004/12/sabotaging-competitors-dmoz-listing.html