The concept of taking a finished game and hacking it to bits in order to milk more cash out of it does make you want to bang your head against a wall, and is a horribly greedy turn the industry has taken in recent years.
The movie is part man-on-the-run thriller, part investigative-journalism puzzle, and very much an abrasive gathering of aging warriors, some of whom have accommodated themselves to bourgeois comforts and family life, while the rest continue to bang their heads against the wall of American corporate and military power.