People knew it was Syrian because the original appeared on Al Jazerra not too long ago.
It became more well known in the West because FOX played it so they could bask in indignation at the behavior of these godless heathens (screaming "Allah Akbar" in victory when they shot down a plane!) and that our Muslim President wants to give arms to THESE KIND of people in Syria too, dontchaknow.
(And,if you pay attention, you'll notice the Al Jazzera logo disappears from the bottom left corner in the 2nd half, on the part that Bansky added.
It became more well known in the West because FOX played it so they could bask in indignation at the behavior of these godless heathens (screaming "Allah Akbar" in victory when they shot down a plane!) and that our Muslim President wants to give arms to THESE KIND of people in Syria too, dontchaknow.
(And,if you pay attention, you'll notice the Al Jazzera logo disappears from the bottom left corner in the 2nd half, on the part that Bansky added.
There are other, smaller errors (the way they pump their arms, for example) that also indicate these are actors, not insurgents.