The "blame" inferred was that the crewman saw the drift towards the obstruction but got his left and right mixed up and called a correction the wrong way.
yes, that was the tacky bit where the hot debrief evidence was subtly changed by the time the BOI interviewed them. It was at the top of a hill with only one obstruction (the radio mast) which was extremely well known to all. It was a poor decision followed by poor flying that cost the life of a good lad with a bright future.