When commenting, do sign your comments using ~~~~.
Also, you seem to not be aware of the history of this wiki. This site is not gentoo-wiki.com, nor does it have its contents. So the articles you assumed have been 'dismantled' have never existed in this form on this wiki. Feel free to add contents you deem missing!
At any rate, the tone you use to address volunteers editing this Wiki is not acceptable.
—a3li 21:31, 27 September 2013 (UTC)
You can access old revisions here: http://wiki.gentoo.org/index.php?title=Dm-crypt&action=history A wiki software, by default, keeps all revisions. The page I started, Whole Disk Encryption, was meant to be a WIP. It was created, not deleted, and I became sidetracked. You can find plenty of resources on DM-Crypt via the Gentoo forums, or by checking out Arch's wiki.
If you are feeling adventurous, you could port and update the DM-Crypt article from gentoo-wiki.com.
User:Pryoidain 21:36, 27 September 2013 (UTC)