Because Obama and Bibi are so fond of each other.

Via MEMRI:

A video posted on an IRGC-affiliated Facebook page and produced by Khamenei’s office claims that the real culprits behind the Paris attacks were the U.S. and its allies, who, according to the video, formed ISIS and provided it with arms and training in order to further its own goals in the world. The thumbnail preceding the video shows Netanyahu, Obama, and Abu Bakr Al-Baghdadi in collusion. The video was posted on November 17, 2015.