Taking the Carr and Wikipedia 'high NFC' qualities together, don't you see a description of people who often prefer thinking deeply to themselves over superficial smalltalk and other group social 'grooming' activities?

Compare 'high NFC' with 'introverted' as described by this famous "Caring for your Introvert" article:

http://www.theatlantic.com/magazine/archive/2003/03/caring-f...