Because everyone and their mother is already using dbus. You really expect everyone to just drop it and switch to something else? Do you have any idea how many applications would have to be reprogrammed? What advantage would there be, anyway?
Somehow I doubt that the people who hate the idea of another daemon are going to be happy running an entire file server just to get IPC.
Last edited by TheBlackCat; 04-19-2013 at 07:39 PM.
Systemd requiring a Desktop Bus is an example of things gone horribly wrong. Init! Requiring another daemon!
D-Bus was never really called a "desktop bus" and many server components including print servers like cups and dns resolvers like bind have d-bus support these days. In either case, systemd doesn't require D-Bus the daemon to be running. It uses libdbus, the library. These are not the same thing although it is a common source of confusion for end users apparently.