I hate to say it, but Biden was spot on. Trying to keep Iraq together as a single country after the invasion would have been like trying to keep the Austro-Hungarian Empire together as a single country after WW I.
Impossible! But of course that reality was never considered by the neocons.
“But of course that reality was never considered by the neocons”
It was considered, but if you recall, the media screamed that a “Free Kurdish State” would force Turkey out of NATO.