The training sequences are fun (Cruise gets knocked on his ass again and again), and the big battles are thrilling.

NEWYORKER: The Last Samurai

As the filming of the training sequences went on, however, the SEALs came to trust the directors and agreed to try acting.

WSJ: A Navy SEAL on an Unusual Mission: An Acting Role in 'Act of Valor'

Most of the people who teach at BGI move on within a few years, so the wheel for most course sequences is reinvented all the time, which implies huge adjustment and faculty-training costs and little continuity in curriculum development.

FORBES: A New Kind of College Education