It's not too intimidating, it's simply too difficult because they're not intelligent enough, on average, to grasp the required concepts. After 50 years of constant dumbing-down to no avail, at what point are the universities going to finally recognize the obvious fact that orcs cannot, in general, be educated? They just can't. The evidence is overwhelming. It is not even remotely deniable any longer, not even by the most generously inclined.

Sure, there are exceptional individuals from low-IQ minority groups. That doesn't mean that MIT and Caltech should change their academic programs to accommodate the average individual simply because there are the occasional +4SD and +5SD individuals capable of handling them.