Vanishingly small, well Sweden and the Netherlands had vanishingly small risks of a terror attack before their inclusive immigration policy and over welcoming accommodation of Islamic sensibilities has reduced their previously open free spirited lifestyle to a more guarded atmosphere.

Nobody wants to deny liberties, unless it's knee jerk liberals who'd rather instigate like this instead of going out for a hike. Sharia law does not need to be sanctioned by the government. The underworld and mobs effectively apply their own rules that the cops are helpless to affect. If anything, establishing an Islamist element on the criminal gang formula, rights will become less protected.