IAWYC but
The specific situation you describe also can't possibly arise, because one would look down at me to speak to me and the other would look up. Then they'd be behaving differently.
C'mon. There's a difference between looking down (physically) because you're shorter and looking down at you (physically) because I'm looking down (metaphorically). (I'm 1.87 m (6'2") myself so I have to do the former all the time.) In the latter case, I will stand up straight with my shoulders back and only tilt my eyes and (to a lower extent) my head down. In the former case, I will (say) sit on a stool while you're on a higher chair/walk on the edge of the carriageway while you're walking on the sidewalk/stand on a lower step of a stairway than you, and/or bend my whole upper body downwards.
(Why does this comment looks to me as if there are unbalanced parentheses even though I know there aren't?)
Of course, but it still has an effect. And also the tall guy standing a step below me is definitely not behaving the same as the short guy standing a step above me.
Anyway, the difference in this case is negligible and doesn't help the situation at hand. As far as I can see, to have a guy who was more physically attractive score lower on status would require lowering some other type of attractiveness, like behaviour or signalling. The actions you describe are signalling.
Come to think of it, maybe we just mean different things when we say "attractiveness".
One of the lessons highlighted in the thread "Less Wrong NYC: Case Study of a Successful Rationalist Chapter" is Gender ratio matters.
There have recently been a number of articles addressing one social skills issue that might be affecting this, from the perspective of a geeky/sciencefiction community with similar attributes to LessWrong, and I want to link to these, not just so the people potentially causing problems get to read them, but also so everyone else knows the resource is there and has a name for the problem, which may facilitate wider discussion and make it easier for others to know when to point towards the resources those who would benefit by them.
However before I do, in the light of RedRobot's comment in the "Of Gender and Rationality" thread, I'd like to echo a sentiment from one of the articles, that people exhibiting this behaviour may be of any gender and may victimise upon any gender. And so, while it may be correlated with a particular gender, it is the behaviour that should be focused upon, and turning this thread into bashing of one gender (or defensiveness against perceived bashing) would be unhelpful.
Ok, disclaimers out of the way, here are the links:
Some of those raise deeper issues about rape culture and audience as enabler, but the TLDR summary is:
EDITED TO ADD:
Despite the way some of the links are framed as being addressed to creepers, this post is aimed at least as much at the community as a whole, intended to trigger a discussion on how the community should best go about handling such a problem once identified, with the TLDR being "set of restraints to place on someone who is burning the commons", rather that a complete description that guarantees that anyone who doesn't meet it isn't creepy. (Thank you to jsteinhardt for clearly verbalising the misinterpretation - for discussion see his reply to this post)