He was a fervent KDE fanboy until he did an about face and starting disparaging KDE over the Qt licensing while pushing a hodgepodge of software under the Gnome moniker.
During that whole time he picked up idea after idea from the Windows world (hell, his first program of fame, Midnight Commander, was a straight clone of the DOS program Norton Commander) and rammed them into Gnome.
And Now he works for Microsoft, go figure...
Thinking about it, i get the feel that Poettering is a rerun of Icaza. Only this time OSX is the source of the "inspiration" rather than Windows.
Beyond that it is yet another round of NIH projects and divide and conqueror political rhetoric.
I did enjoy using Gnumeric so thank Miguel.
Also MC is pretty useful when you SSH into a box and want some form of file manager.