They benefit from their purer FOSS licensing behind GTK (in contrast to their competition, Qt) and place in history. They're working on a doomed experiment, on the fumes of enchantment of Apple design and the false hope that, maybe someday, "regular people" will use Linux. On a tablet or something. It'll all be tablets -- nobody'll even have desktops anymore. The hardware will converge, if you will. There will be a Unity of interfaces.
