This could be the case, but why couldn't it instead be the case that a 2.9 at Harvard is comparable to a 4.0 at a lesser school, and a 4.0 at Harvard is outstan

This could be the case, but why couldn't it instead be the case that a 2.9 at Harvard is comparable to a 4.0 at a lesser school, and a 4.0 at Harvard is outstanding and means something truly incredible?