How ISIL undercuts Genuine Resistance to the Syrian Government

Ever wondered why ISIL/ISIS is being indirectly nurtured by Western countries? Ever wonder why their “foreign fighters” seem to congregate in London, the epicenter of the former British Empire, before taking the flight to Istanbul and then being transported to the Syrian front? Ever wonder why Western countries are head over heels in welcoming mainly Sunni Syrian refugees, which ensures their permanent eviction from the Levant, and their termination as a viable opposition to the Syrian Government?