Bad optics for sure, but unless they are willing to put in even more Bs and troops this outcome is inevitable.
AoD
The outcome wasn't always inevitable mind you.
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Now I don't think the U.S. or (us or any other 'allies') ought to have been there in the first place; at least in the manner that we were, but I digress
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If a military power chooses to engage in a long-term operation, with the supposed goal of bringing democracy and a society more aligned with The West's interests..........
That power needs to engage on the scale of British colonialism in India. (No, I am not endorsing past British adventurism).
Rather, I'm saying such an effort can only succeed when you educate 2 or more generations of children in the desired fashion; and when you as an occupying force are seen as having delivered at least some worthwhile change
that people really want to keep. (schools, roads, clean drinking water etc etc.)
It requires institution-building.
Yet, the U.S. has had 3 successive long-term military campaigns that all show, seemingly, the same mistakes.
Vietnam, Iraq, Afghanistan.
All involved efforts to create a U.S. sympathetic society/regime.
All failed and in very similar ways.
Military efforts on the one hand that were grandiose in scale, yet half-hearted, paired with supporting corrupt local regimes that lacked popular support; and the failure to build
institutional capacity for something better/different; or build good will in the general populace.
I'm not sure about calling that poor record mistaken, when the choices made were wilful; and when the same poor strategy has been offered up 3 successive times.
At some point, once must conclude there is/was a desire to fail, or at least an indifference to victory.