Users will not adopt 0install if the first thing you tell them to try doesn't work.
% 0launch http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml
[http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml]
Interface 'http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml' has no usable implementations
% 0compile autocompile http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml
======= http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml ========
Selecting versions for ClanBomber...
[http://www.nongnu.org/clanbomber/zeroinstall/ClanBomber.xml]
Failed. Details of all components and versions considered:
ClanBomber
2.1.1 (Linux-i686) : Unsupported OS
2.1.0 (Windows-i386) : Unsupported OS
2.1.0 (Linux-i686) : Unsupported OS
End details
Can't find all required implementations (source or binary):
pluto:/tmp/zeroinstall-afb dave%