“Withdrawal of the super powers from the region and letting Israel alone in front of Hezbollah and Iran that possess good abilities Will make “Israel” in a hard position” . Therefore, we’ve to do all we can so as not finding ourselves in such situation”, the Israeli chief intelligence added.
SOURCE: http://www.veteranstoday.com/2016/06/17/israeli-intelligence-chief-we-do-not-want-isis-defeat-in-syria/

Israel, Jordan and Turkey all treat wounded Islamic militants and send them back to fight again. (I myself have seen wounded Islamic militants in a Jordan Government hospital. One doctor showed me a healed wound and said that we treated this guy six months ago and now he is back wounded once more …)
“We do not want ISIS defeated” … these are not empty words. They are actively being supported not only by the treatment of the wounded but by weapon supplies etc.