Why not?
And the Iraqis wanted US troops to stay.
Which Iraqis?
The ones that were not the Islamic Dawa Party leadership. Plenty of news articles still online that details which Iraqis wanted US troops still in there after 2011, even well after.
But that’s OK, because “Al-Qa’eda in Iraq” were “on the run” towards turning themselves into ISIS afterwards. Just had to have that, didn’t we?