The difference, in a word, is attrition. Many of the players who bolstered our recruiting rankings didn't stick around long.
In 2009, none of the top recruits stuck around long. We lost Montori Hughes, NuKeese Richardson, Bryce Brown, David Oku, Janzen Jackson, and Jerod Askew all within 2 years.
In the 2010 class we had Ted Meline, Matt Milton, Edrick loften, Da'rick, Marques Dixon, and Martaze Jackson all last not longer than two years. Additionally Bray and Hunter only stuck around 3 years.
In 2011, we had DeAnthony Arnett, Patrick Martin, and Cam Clear all leave within 2 years.
In 2012 we had Dante Phillips, Trent Taylor, Deion Bonner, Davante Bourque, Daniel Gray, and Darrington Sentimore all leaver after one season. CP also went to the NFL.
So by my count, we had at least 20 of our top recruits since 2010 last no more than 2 seasons. Additionally, the three most successful players we've had in that time frame left early for the NFL.
As a result, the good players we've had who did stick around have been thrown to the fire instead of eased into the most competitive conference in college football.
We've simply had no opportunity to build the type of depth a team needs to be truly competitive. The seasons we've fielded teams that have some of the pieces needed to be competitive, those teams have been 1-2 key injuries away from not being competitive because of the lack of depth.