Along with countless numbers of innocent people dead. 2.14 million displaced Syrians and unrest all over Iraq.
Where is an Arab coalition army? Why aren't millions of Muslims protesting in the streets that ISIS are not representing Islam? A cartoon in Denmark had more impact than this. If the West comes in they are accused of interfering.
Choosing to bury your heads in the sand will not make this go away. On the contrary it is right on your doorstep. Act before it's too late.