No one has blame them for it.
We are blaming them for their failure in stopping it. Thats thier job and as the people who pay their salaries, we have a right to know.
In the 1980's and for a long time afterwards, doctrine was to use the Gunships as flying artillery to support the armored formations. Essentially what Stukas did for the Germans, the IL-2 for the Soviets and the Typhoons for the British. Experience in UN Missions in Somalia and latter West...