Of course Iraq 2 was a loss. Only somebody with a disturbing and irrational sense of nationalistic values would say otherwise, as there really is no other reason for saying something so categorically and provably false. It is a face-saving exercise, nothing more.
The CENTCOM campaign plan described the strategic objective of the war as this:
"A stable Iraq, with its territorial integrity intact, and a broad-based government that renounces WMD development and use, and no longer supports terrorism or threatens it's neighbours."
Iraq isn't stable, it's territory is not intact, it does not have a broad-based government, the central government has declared it's chemical weapons but has not stated it intends to destroy them, and while it may not support terrorism or threaten it's neighbours directly, the people inside the country do.