Dominant forces in societies impose their norms on people all the time whether you like it or not. In most cases, you wouldn't even notice. Of course when you like something or are so used to it you don't even think of it as an imposition it becomes a norm- you automatically conform. Whatever doesn't float your boat at a particular time in your life automatically assumes the status of an imposition or oppression but ultimately these things are subjective and can fluctuate. If you were once a devout, practicing muslim you might well have arguing in the opposite camp.
Of course this is true, but the dominant force in society shouldn't be religion, it should be a democratic and secular people. So ironically, these leads some people, like the Muslins in question, to cry intolerance of their intolerance, but yeah it is intolerance in that sense, but that's not a bad thing.