The thing is, Charlie's offensive recruiting has (supposedly) been stellar thus far, and offensive playmakers can often contribute sooner (at least in certain roles) than their defensive counterparts. That 05 class has had more than enough time to break out, imo.
Look at OSU's impact players just from the 05 class:
Offense: Wells, Robiskie*, Hartline (starter), Boone*, Cordle*
Defense: Jenkins*, Washington*, Laurinaitis*, Russell*, Amos, Worthington*, Denlinger*, Wilson*, O'Neal* (former)
That doesn't include impact youngsters like Beanie, Saine, Sanzenbacher, Small, Ballard, Rose, Grant, Chekwa, Coleman, etc.
***JT's 05-07 recruiting classes have scored 147 pts (vs 19 for the Genius). JT's 05-07 recruits have scored 36 points this season.
Note, that does not include the 60 XP & 9 FGs from those recruiting classes.