sorry to take the mystique away, but there's a viral video of this whole encounter, and it shows several children determinedly shoving and screaming at the soldiers as part of an obvious attempt to provoke them. Some of the children even shove other children at the soldiers. Seeing the video and then reading this article, its easy to see how contrived and foolish any deep thoughts about this incident would have to be.
ISIS kills 22 in Yemen's Sanaa, Aden; targets both gov't and Houthi rebels (Reuters)
from the article: Snapshot: (Palestinian) Girl, interrupted