Am I misunderstanding you? Because it seems to me that the European goals were the realistic and legitimate.
To be a little more specific: even if the idiot American neocons had stood back and gave full control of the occupation to European allies (including command over US occupation troops), I don't see how they could have achieved more than relative peace on the surface until a pull-out a year or two later. After which all hell would have broken loose -- and if they stayed longer, all hell would have broken loose anyway. For,