^I believe we all rank each other on a subconscious level constantly, on a whole range of levels, everything from friendship, colleague through to sexual. But that is human nature (i.e. not gender specific) and a way for each of us to find our own place in society and our own social/professional spheres.
However, at a conscious level doing this and focussing purely on one area is a bit distasteful and slightly weird. It suggests to me an healthy preoccupation with a particular area of life.^
I don't rank anyone ever, I think it's a dubious and alien attitude to personal relationships.
What I do do is make judgements about people, which is not the same at all. I think mainly about whether someone if worth my time, whether they are having a beneficial influence or a harmful one on my life.
I have never understood the toilet thing, I don't get why people are concerned about whether the seat is up or down to the point where they would dump someone. Obviously better for hygiene if you put the top lid down before flushing but not a massive issue especially when you live with children who do much worse.
I do think less of people if they'd rank other people, especially by superficial and unimportant characteristics. I'd see it as a sign they didn't view other people as really real and didn't interact with them as though they were. I don't particularly care about people I've moved on from, I'm bothered about whether people I see now are good for me now.