OR they're far too smart to give the western industrials an excuse to come invade them for all our, ahem, "humanitarian" reasons. Ever watch an interview with Asad? He's not fool.
We of course look the other way when Israel uses white phosphorus on people. Nope, didn't see it, couldna happened. Move along.
Any "proof" Syria ever does this you may be sure is cooked for a pretext.