I'm really a scientist. I follow recipes exactly - until I decide not to. And then I'll follow something else exactly. I may decide I could turn this peach tart into a plum tart, but if I'm following a recipe, I follow it exactly.
Every life is narrow. Our only escape is not to run away, but to learn to love the people we are and the world in which we find ourselves.
Likewise the leader of any state has to do the same, he has to enforce Shariah firmly, for he will be held in account later in the afterlife if he fails.