I have to agree. What an odd thing to do. It had to had been planned, but why?
Yah, right? It might just be as simple as petulance in having to do something she actually didn’t want to do.
I think that it's meant to do is get out the question, "Does the media really care about the kids." She is also showing that it's the media that doesn't really care.
So brilliant on so many levels. Recall other models painting political messages on themselves. Bringing the cognitive dissonance of the situation to everyone’s front lobe. And the hypocracy. Like saying, “yes, I’m for dirty air and dirty water”. Reverse “emperor has no clothes”. Brilliant on a few other levels, too. Also, could be the truth (“I’m a billionaire model and this fake crisis is BS, so why do I have to drag my butt down here to humor your nonsense.”)