If you think about it, the concept of grades is specifically insidious: It is a very unidimensional measurement of the value of students, as if you are doing quality control on products. The insidious part is that if you don't meet "the standard" you are discarded as if you have no value... Many people that have wonderful talents are discarded by this system because it is inept to develop anything but the standard curriculum, anybody that does not fit is simply shunted aside.
Ironically many creative people who don't do well in standardized schooling are the ones who will be better placed in the idea economy than the obedient A+ students...
I think this sums it up:
