RSS became fragmented with several different versions, inaccurate
specs and lots of political fighting, and the attempt to clean
everything up by creating yet another format called Atom has resulted
in several different versions of RSS plus one version of Atom,
inaccurate specs and lots of political fighting.
When you try to unify two opposing forces by creating a third
alternative, you just end up with three opposing forces. You haven't
unified anything and you haven't really fixed anything.