You really have to look at the competition level at which these coordinators have experience. For example, stopping a Big East offense is not the same as stopping an SEC offense.
true, BUT, at the same time look at the talent level that your using. in the big east you using 2* and 3* star players to stop 2* and 3* on opposing offenses. In the sec your using 3*, 4*, and occasionally a 5* star players to stop 3*, 4*, and occasionally a 5*star opposing offenses