After a quick google, i'd have to agree, i've seen this with my own experiences. It's more important to teach how to learn, critical thinking seems to be on the wane in the our social media world.
I still think there will be an innate predisposition towards various characteristics, as much of a...
Yes, i guess there's some 'hard wiring' that will always show itself. But these studies can be taken with a pinch of salt i guess, the numbers are so low, and presumably many of them grow up in the same culture.