I'm not sure if it is actually a part of the Debian project or just something that grew alongside. Can be useful sometimes, but if your present channels work for you then I'd suggest you might want to do without the 'noise'[1]
[1] http://forums.debian.net/viewtopic.php?f=20&t=106389
PS: never ceases to amaze me that you can download an iso, boot a computer, install an operating system and application software, and do stuff just when you want to without upfront cost (other than time). Debian is a large part of that history isn't it?