This paper is intended to people who are interested in the philosophy of Debian Pure Blends and the technique which is used to manage those projects. . It is explained in detail why these are no forks from Debian but reside completely inside the Debian GNU/Linux distribution and which advantages can be gathered by this approach. The concept of metapackages and user role based menus is explained. In short: This document describes why Debian Pure Blends are important to the vitality and quality of Debian.