[eYrKEC2]

If you cut off the lower tail of an IQ curve, no matter how little, you've just raised the average IQ of everyone remaining.

If they're in that low IQ tail and they go through the hoops for a waiver, you've just selected for a modicum of conscientiousness.

[jmoss20]

How certain are you that the upper tail is not impacted just as much, if not more?