I agree. That wasn't Mac's fault.
His chief intelligence officer had staked everything on his analysis holding that the NKs would not attack. He deceived McA.
Yes but there had been so many prior feints by the Norks at invading the South that their actions began being interpreted as bluster.
“Yes but there had been so many prior feints by the Norks at invading the South that their actions began being interpreted as bluster.”
That’s true, too.
Another thing is that the US forces thought they’d see significant numbers of Chinese troops crossing the Yalu and moving south.
Through an incredible display of discipline, the Chinese remained invisible during the day.