Starting QB, RB, and key part of WR corps suffer injuries.
Defensive Coordinator appears to be at odds with position coaches, leads to confusion amongst players both in practice and on game day.
Players lack discipline and therefore execution. Coaching needs to come together at all levels. There's your review.
Not every season is a given trip to the Playoff, BCS, Alliance, or whatever they come up with next. Imperfections are found in every program and it is a constant battle to achieve perfection, especially in a non-professional league where the personnel changes every stinkin' year.
And you want an apology from the AD. Grow the heck up and accept it: there are no guarantees. It's a game. You want a better ROI then get invest your time and money somewhere else.