This guy is right, read the TOS.
Following is an extract from the TOS:
"and you license to TheCandidForum all patent, trademark, trade secret, copyright or other proprietary rights in and to such Content for publication on the Service pursuant to these Terms of Service.
By submitting Content to TheCandidForum, you hereby grant TheCandidForum a worldwide, non-exclusive, royalty-free, sublicenseable and transferable license to use, reproduce, distribute, prepare derivative works of, display, and perform the Content in connection with the Service and TheCandidForum's (and its successors' and affiliates') business, including without limitation for promoting and redistributing part or all of the Service (and derivative works thereof) in any media formats and through any media channels. You understand and agree, however, that TheCandidForum may retain, display, distribute, or perform, server copies of your Content that have been removed or deleted. The above licenses granted by you in user comments, posts and threads you submit are perpetual and irrevocable."
Also other stuff confirming that Darth has access to everyones private messages there etc. Go have a read.