Some just make you think. http://atinyglimpse.ytmnd.com/ and http://thefutureofourworld.ytmnd.com/ are two examples. They may not be 100% accurate, but they do make you stop and think about things.
Others present issues in an unbiased way, letting you be the judge. http://timbalandtempest.ytmnd.com/ is one.
Like it or not, the guys composing YTMND's community are our youth. Their opinion matters, and they create things they care about.