You try a rebuttal, which I commend, but the approach of your rebuttal isn't strong enough! Height also correlates with "basically every good life outcome" but the application form didn't ask for our height: nor should it.
IQ is inherently different. I really support the IQ test they decided to give and I definitely think they should glance at the results - especially to basically approve any applications from people with great results even if the evaluators don't understand the proposed application exactly.
Here's an example discussion of how this works, drawing on various studies: http://slatestarcodex.com/2015/08/02/stalin-and-summary-stat...