Baaaa! The truth is too hard to swallow, eh! Propaganda goes down better with your mourning coffee.Bollicks!
What would ISIS care how many refugees flee them? There's always more to spare. The refugees are aiding ISIS by providing a cover for their agents to sneak into other countries.
If the majority of refugees actually are fleeing ISIS, ISIS will follow them.
If 20 terrorists sneak in with 3000 refugees, one terrorist can kill 150 at one whack, that means 20 terrorists would wipe out all 3000 of them with some to spare as a bonus.