What, exactly were they supposed to do?
Not abandon a strategic airbase before an evacuation, and maybe refrain from evacuating the military before civilians?
Perhaps NOT spend 20 years with garbage ROEs, no realistic plan of victory, and fighting not to lose rather than fighting to win....all the while prioritizing all manner of wokery?
I mean, for starters......
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20 years of political, State Dept, and Pentagon perfumed prince buffoonery left Saigon 1975 Part Deux the only possible outcome. The think tanks and and our betters ensured the withdrawal would be a disaster in the final days.