Not just init systems. Try version numbers[1] or choice of default desktop for a release [2]. The default mark you, not removing any of the many alternatives.

Not just init systems. Try version numbers[1] or choice of default desktop for a release [2]. The default mark you, not removing any of the many alternatives. [1] http://lists.centos.org/pipermail/centos-devel/2014-June/010444.html http://lists.centos.org/pipermail/centos-devel/2014-June/010... [and the many many subsequent replies] [2] https://lists.debian.org/debian-devel/2014/08/msg00129.html https://lists.debian.org/debian-devel/2014/08/msg00129.html [and the rest of the thread, and the other threads about the same issue] I suspect this one has a lot to do with issues around the structure of the operating system and the way major components depend on each other.