Since the question is being posed, let me attempt an answer.  No one will be happy with the answer, but I'll extend it anyway.  The reality is that no one actually cares, except for the Assad government and the country of Russia.  They care, but the rest of us don't.  Those of us who bleat the loudest, care the least.  The ones who care are involved on the ground with weapons; the rest of us don't care.  Unfortunately, most of the men of Aleppo don't care either, because they just ran away to Turkey and Europe, rather than try to fix their country.  The rest of us also don't care because Syria has zero value to the world.  It's not a significant producer of anything, except trouble and refugees.  The rest of us might care more about Syria if there was some evidence that they could get their act together and give some hope that they can build a country, but that doesn't seem likely.  Anyone who gets involved in Syria is going to be sorry they ever set foot in that ground.