Печально это всё ...
Choosing between portability and innovation (lwn.net)
Например, что пишет Lennart Poettering о портировании systemd на другие ядра (FreeBSD/Solaris/etc):
I actually made clear on the systemd MLs that we will not merge patches supporting other kernels but Linux. But actually the point of this google+ story was to clarify that there isn't even the need to think about that, since preparing those patches and make them mergeable is not realistic anyway. Mar 5, 2012
Уже в списке: Gnome3 (PulseAudio, udevd, *Kit), XFCE 4.8 (udevd, *Kit) , KDE4 (udevd, *Kit), X.org (KMS).
Построим прекрасный новый мир ... убив все Open Source экосистемы, кроме Linux'a?