Are we becoming over sensitive?

I was looking at H&M's current and past ad campaigns and stumbled upon their 2010 Holiday Ad Campaign and stumbled across a review at the time of its release on a forum:
alevelshmaylevel92 started the post 'Hints of racism in the new H&M Ad Campaign?' on The Student Room.

"maybe its just me, but i've seen a collection of the new H&M adverts on billboards, Bus stops and buses, the feeling i get from looking at them is "stick to your own kind". Theres probably about 6 different images, each has two people on it. 1 has two oriental girls, 1 has two black men, 1 has 2 white girls, and i think i saw another with two black girls on it, i mean ofcourse they are all beautiful, modeling nice clothes n all, but why are two people of the same ethnicity grouped together like that? is H&M telling us to stick to our own kind? what do u guys think."

I wanted to show the post saying that she felt that the campaign was racist before posting the campaign images because to me its obvious that if anything H&M are celebrating the diversity of the ethnicity of their models but also, to me, in no way does the campaign suggest 'to keep to your own' as the models are not couples? After reading the post I just felt a bit annoyed, are we always going to be so over sensitive to these kind of things? What annoyed me the most is the thought that H&M, a massive commercial company would not be idiotic enough to release a world wide campaign without considering what it could convey. I wanted to research the theme of the holiday campaign to understand H&M's motivation behind the campaign. Released in October the campaign was their Christmas advertising. The theme was togetherness and the campaign included famous stars such as Mariacarla Boscono, Liya Kebede, Stella Tennant Kasia Struss, Due Juan, Fei Fei Sun photographed with their family members and friends that they were really close to, meant as a celebration that Christmas enables us to come together again, obviously wearing holiday themed clothing the photographs were supposed to get everyone into the holiday spirit with these images. 

I think one of the comments in reply to the post sums up exactly what I think:

"I think the Compare the Market/Meerkat advert is clearly doing the same thing. I mean ALL the meerkats only socialise with meerkats, and there's no other species in the adverts I mean WHAT is that saying? Are they suggesting that Meerkats can only socialise with other meerkats? What about otters, or beavers? This is discrimination of the worst sort, and totally ... species-ist (?)"