Elephant in the Room

I think this argument keeps persisting in this because at least in terms of Bioware, there are no thicknecked unibrowed women with crooked teeth. Sera, who is commonly considered the least attractive of them all, has a symmetrical face with large eyes and blemish-free skin unless you're counting freckles/moles as blemishes, as well as the over-emphasized nose bridge that comes from DA2 elves. Her brows are well-groomed, her lips are plump, she's thin with at least a B-cup. Her teeth are straight and white - as white as DA characters get without mods looking at you DAO. By those standards, she has all the common threads; she just turned out average-looking. As people do.

If we're arguing that they must fit inside the lines of globally standardized beauty to then qualify for 'beauty is subjective', then every single significant human/elf Bioware female fits the qualification AFAIK. They all have imperfections, like Josephine's pronounced nose and Miranda's slightly bulging eyes, but overall they're pretty standard.

EDIT: Vivienne is gorgeous (those cheekbones) and the turian faces - all two of them - are almost as distracting as the Asari clones. (Wasn't it this big thing that turians without facial markings were a big hint they were no bueno, and then you get to MEA and most of them seem not to have facial markings. I mean from the sound of it we did pick up mostly turian outcasts, but it was jarring.)