While the Linux community has benefited greatly from Ubuntu’s investments and focus on the deficiencies of Debian, it is not clear why Shuttleworth needed to fork Debian to improve Debian in the first place. Hiring volunteers to work full-time is a good way to speed up progress, but they could have done their work inside of Debian if Mark had told them to. In addition, there is an argument to be made that both Ubuntu and Debian are hurt by the split.