Yeah, AA did a lot to repair his reputation this off-season. Donaldson, Martin, Saunders, Travis, etc, was a hell of an off-season.
The issue, as stated before, is depth. He has never properly anticipated injuries in any season he has been GM. He puts far too much expectations on young players to begin a season, and if they get hurt or pitch below expectations, he blames injuries/bad luck. In reality, he should be putting no pressure on the young starters because he shouldn't be counting on them at all. This year it will be Sanchez, Pompey, and possibly Travis and Norris as well. Out of those four, the only one I'd be confident in starting the season in the Majors is Travis, and even he hasn't touched AAA yet. The depth in case of failure/injury, while better than previous seasons, is still not where it should be.
Regardless, if AA's newfound appreciation of advanced stats is for real, then I don't mind him staying on. Maybe AA with a better team president would be more successful.