We have encouraged them for four years, and virtually nothing has happened.
Where are the mass arrests of the thousand of Islamofascists in Britain? Oh, that's right, they never happen because "moderate muslims" don't turn in the radicals. Wishful thinking and another dozen "Pretty Please" requests don't seem promising.
I recommend spies, bugs, dirty police work and armies as necessary.
Four years?
You gotta be kidding me...
Give it Forty years and you may see the result