The biggest reason to label people in this day and age, at least in the US, is because the government gives things to people of certain ethnic backgrounds and people will justify what they get by what they perceive as what they do not have, which the government legitimizes with racial quotas. For decades the US government has become more and more a nanny state that has to make every little thing right for every group of person (well, except for wealthy people and much of the middle class) instead of that group doing for itself. Creating dependencies, which work to the government's favor (as a bureaucratic entity to continue its existence) , and usually to certain political parties that benefit by "helping" (after all, they are the ones who are "giving" these things to groups who "need" and thereby buying support, much like Cristina did).
I could write a big long story about a friend of mine, whose skin color happened to be dark (black and white don't really work, eh? I just painted my dining room "white", one of the hundreds of shades Sherwin-Williams calls white, and funny but my skin looks positively brown next to that, even though I'm considered "white") but I'll try to make it brief.
I ended up sitting in a cubicle next to this guy, who later ceased to be my friend because of this - all he did all day long was call up his friends outside of work and talk about all the things that the company was doing to discriminate against him. It drove me nuts. Not just because of what he was saying, but literally because it was non-stop, all day, every day and I could hardly concentrate on my own work. When someone in the field called up with a problem he had no choice but to deal with, he groaned and complained the whole time while he was working on it. I worked my ass off to get where I was at that point - but my ex-friend was held on to as a racial quota (it was confirmed to me later, when I moved up into management). In fact, his words were often "they ain't never gonna fire me, they can't! I'm black and they know if they fire me, they'll be totally screwed". Always talking about the slights he was given because of his skin color, how they were holding him back from promotions, etc. I sat next to him for 3 years before I got promoted to manager and got my own office, thank god.
He rarely actually did any work, never studied anything to keep up with technology, also talked to his friends about the "freak" he was going to get on that night with his girls, and so on. But never really worried about doing his job, because he didn't have to.
Some 4 years later, we both left the company for the same reason - our company was bought out and the new company laid off most of our company's personnel. The only difference was that I chose to leave (they offered me a job, but I had decided to strike out on my own) and they didn't give him a choice. He ended up selling mortgages in 2001 - and was later caught as one of the thousands of mortgage brokers who was falsifying information for people so they could get loans and he could get money.
I despise racial quotas. I don't despise the thought behind them, I understand it (those who are truly looking to do good, not those who are looking to take advantage of such), I just think that it does more harm than good, that it continues racism and labeling and the highlighting of differences that just don't mean anything in the long run. I despise racism and discrimination based on skin color or ethnic background. I discriminate, but based on other people's behaviors towards me, or based on the work they are able - or not - to do when I am dealing with employees or contractors.
You cannot legislate away racial prejudices and hate. It just doesn't work that way. How many decades have we had affirmative action policies and how much has it actually helped? According to Obama and many others, it has gotten worse. When you try to force other people to change, people find other ways to present their hate and idiocy and it paves the way for more who will take advantage of the "help" that the government gives.
It creates dependencies upon which government thrives but is really bad for humans themselves.