NTs sure do pick up on these things, just usually not consciously
Instead it translates into judgements and feelings about the other person, such as a desire to distance oneself from them, or becoming attracted to them, or getting a "vibe" about them and not knowing why...
When I get a certain "vibe" or feeling about a person, I usually know why. I'm aware of the subtle things they have done that have made me feel a certain way about them. In some ways this is a good skill, because I can choose to analyse the reason behind my feelings towards someone, and decide if these feelings are justified and useful, or if I should perhaps get to know the person better, give them another chance, etc. before I let these feelings sculpt my OVERALL perception/opinion of the person.
I gotta say, the consequences can be weird but it's fun to watch evolution at work. Extrasensory perception is indeed gradually becoming a "new norm"...
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"Standing on a well-chilled cinder, we see the fading of the suns, and try to recall the vanished brilliance of the origin of the worlds."
-Georges Lemaitre
"I fly through hyperspace, in my green computer interface"
-Gem Tos