The military took him on, obviously. Keegan couldn't get lecture time in real universities at the time due to his radical pro military distortion of history.

Sky Murdochvision used to wheel him out for a controversy slot whenever conflict meant lots of dead bodies for the reporters to enthuse over wearing blue flack jackets.

I suppose the problem for those seeking to rehabilitate failure and contempt is that unlike Roman or even Tudor history, the evidence of attitudes and social intercourse of a hundred years ago is widely available for any normal person to weigh up for themselves rather than take it on the chin from academics keen to be part of the establishment.