Salman Rushdie's memoir Joseph Anton rebels against the reduction of The Satanic Verses to an insult to Islam. I agree. But modern liberal democracies, freedom of thought and expression are impossible without the right to offend.
Those of us who believe in the right to say what you think without being threatened can only show that there are some beliefs that we cherish, too. We can show that we believe in the right of clever writers to write good books, and the right of stupid fantasists to make bad films.