i start from the basic premise that muslims call themselves 'a family' (ummah). if you knowingly remain a member of a 'family' that butchers people everywhere it is present, and exacts a tithe from all members, that family can and should be held responsible for the actions of its members, that tithe can and should be paid out to the victims, not to funneling endless fried food into the guts of disgustingly overweight clerics, building them yet another new masjid, etc.
between you and me, 90% of muslims are just ook ook tribal jokers, they know about as much about 'their' religion as you do. 
they know that muh saladin totally btfo the franks one time because grandad told them so and the sheikh is always oinking about the rumi faggots and so on like that. anecdotes and dickswinging. 
the ulema, a bunch of parasitic repeaters, is the 'spine' of islam, these are the ones who know shit like gog and magog being hidden behind a wall of molten metal.
break up the professional clerical class and islam will disintegrate, gradually.
unfortunately, current govt. policy gives clerics a position of serious authority over uk wogs. even having a 'muslim council' is more damaging to muh integration than all the ultranationalist sects combined.
of course, my personal preference is pogroms. 'suitcase or the coffin' and so on, but i appreciate that you have to have less ooga booga answers to such questions.