IMO, it's a carry over of a more primitive instinctual mate selection process.
The biggest, tallest, strongest, fastest, dominating alpha male of the tribe was most successful in hunting, war, etc and attracted the females for it. The whole "might is right," and "only the strong survive," sort of philosophy. They're looked at as having good genetics for procreation as well as the personality traits required to have high earnings and thus be a good provider for her and their children.
While a weakling geek can very well earn millions of dollars in todays economy, we still haven't shed the evolutionary things that make people attracted to one another at first sight, smell, etc & may never.
While different, this is related: I'm a bit over 6'2". I've taken note over the years, especially much more recently, that because of this people make certain assumptions about me and my capabilities. It's assumed that I'm confident and successful at ______ meanwhile there are many times that I feel like a highly anxious nervous timid little church mouse on the inside, yet my outward appearance gives people the impression that I'm a highly confident type A competitive person that more often than not wins in competitions/negotiations etc. I've been thinking about others' perceptions of me in this capacity and trying to use what they assume to my advantage by portraying myself as closer to as confident as they assume or expect vs. how I may be feeling. I'm not trying to come across as overly confident, and certainly not arrogant, but in realizing that others' first impression of me is often higher than my perception of myself, I recognize the need to close the gap a little in terms of bringing my own sense of self worth & confidence up closer to that NT assumed line in order to be more successful in many areas of my life that are influence by social interactions - mainly work/career/finances, but I'm sure other more personal areas will be affected as well, because how you do anything is how you do everything.
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No

for supporting trump. Because doing so is deplorable.