You know....the constant complaining towards Sara's face is getting to be kinda offensive.

OK (sorry flyingovertrout to drag you in, could not find original post), science nerd coming in with the science here to argue the opposite. Real Zoologists and biologists, feel free to correct my neophyte attempt to discern truth from semi - science.

At some point in the human evolutionary period, probably during the transition to bipedalism, humans took up monogamy. Groups of apes started breaking off from one another, namely females who became more aggressive and defensive over their territories. Scientists think this was because at this point the idea of 'alpha' male in the group was starting to become infeasible. The transition from a male ape to another male ape would involve the next male ape killing all existing young and then killing unborn young at the point in which they were born, in order to ensure that it was theirs. Thus, monogamy was more logical because it would prevent infanticide. This gave weaker males the opportunity to mate with females - as long as they brought them food in order to 'attract' them. Females appealed to males for food and instinctual breeding, and males appealed to females for instinctual breeding. 

It is a natural balance - not so more than the other. If you look at the psychology of the modern man and woman, one would realize that both try to attract one another almost equally. It has been found that societal expectations may have skewed this one way or another, but this is solely based upon society and culture and can vary from region to region.

Therefore, it is difficult to state that your statement is accurate  because it is not, at least, biologically defined as an 'obsession'. Something to be conscientious about, yes, an unhealthy obsession skewed one way, no.

In regards to the topic, I do think it's been blown out of proportion, but again, it's the internet. People will complain because the sky is blue, and, the anonymity of the internet also makes people more brave. I've been bullied on the Internet (not fun), and I doubt that those people would ever say it to my face. 

People constantly finding things "offensive" is really offensive to me...

I find the automatic defense of people for Sara Ryder's looks to be no better really.

I don't remember complaining about her in particular, but then I'm not really impressed with the faces and the animations we have seen of the rest of the human characters either.
(funnily enough Drack and Vetra actually look better than Wrex and Garrus, and I'm talking here in terms of quality rather than subjective aesthetics)

This is less of a case of Sara being "ugly", and more of a case of Bioware not doing a particularly impressive job with the new engine.

So we modify both of them even if were playing as only one? Thats amazing haha, im planning on making making them mix race like me but dad ryder can stay the same, do you know if he automatically changes or can you leave him as default despite altering the twins. Since mom ryder is off screen i was planning on making her what the twins look like more.

Complaining about people who complain...

I personally have no issues with Sara's current look. But I might tweak a few things in the CC, provided its possible.

The whole game seems to have a somewhat cartoony look, some more than others... but everything from color palate, to body proportions, to some of the faces give me that feel.