But anti-intellectualism is not cool. Saying "she did a little dance and that's all there is to it" or even "she's just being young" is more obnoxious than the fact that she did it.
There are cultural analyses to be made, if not merely to gain an understanding of how activities like this will affect culture and influence opinion.
Cultural nihilism and cultural solipsism are less sophisticated than cultural relativism, and these probably do more harm than good. No one should really critique from cultural apathy — I mean, just, why? "I don't care, so you shouldn't either"? Really? That's just picking your nose at the Weird Kids table.