Forget for a minute about the question of authenticity of the girl's tweets... the author makes the following statement: "If I had kids in a war zone, I’d use every means at my disposal to keep them safe. "
Ah, isn't this brilliant? So, what would a really caring parent try to do for keeping his or her children safe in a war zone? A caring parent tried to get out of the zone as soon as possible.
Now, a few times the Syrian officials, supported by Russians, have tried to set up corridors for safe passage out of this war zone. So, if this girl is still tweeting from Aleppo, this means that either her parents are not too careful about her safety or that it is a calculated risk or it is a hoax story.

Or let me try to look at this whole tragedy from a different perspective - from a perspective of the events around Mosul. There, there is another siege is happening in fron of our eyes. Does the author think there are no similar girls in Mosul? It's all about the perspective