This is not entirely true. Institutes such as MIT also has much much harder class work. One of the premises of being so selective is to make sure students are c

This is not entirely true. Institutes such as MIT also has much much harder class work. One of the premises of being so selective is to make sure students are capable of getting through grueling coursework that will be required of them. So the MIT graduates are very well "stress tested" in addition to have been very selectively chosen.