But to reply to the OP, it's not going away, it's going to get worse. That's because no Western government understands what we're dealing with, far less has the will to resist it.
Meanwhile advocates of terror enter the country freely preaching to packed houses of moderate Muslims. This pair toured the UK last year. Now they're back attending a '... conference, organised by the Ramadhan Foundation... to "bring communities together and address terrorism"'.
The aim of the conference, organised by the Ramadhan Foundation, was to "bring communities together and address terrorism".
http://www.oldham-chronicle.co.uk/news-features/8/news-headlines/104817/clerics-speak-out-on-counterterrorism
Doesn't the Home Office monitor visitors? I'm sure it stopped Geert Wilders entering the country a few years ago. I don't think Wilders has called on anybody to be murdered.