https://en.wikipedia.org/wiki/McNamara_fallacy https://en.wikipedia.org/wiki/McNamara_fallacy > US Air Force Brigadier General Edward Lansdale reportedly told

https://en.wikipedia.org/wiki/McNamara_fallacy https://en.wikipedia.org/wiki/McNamara_fallacy > US Air Force Brigadier General Edward Lansdale reportedly told McNamara,[3] who was trying to develop a list of metrics to allow him to scientifically follow the progress of the war, that he was not considering the feelings of the common rural Vietnamese people. McNamara wrote it down on his list in pencil, then erased it and told Lansdale that he could not measure it, so it must not be important.