No pigs on ads

The world is changing its laws just to prevent ethnic clashes, I've read a long time ago article about a stewardess got jail after bringing her Bible inside the plane, bound for KSA. And now a new advertising law was announced in China prohibiting pigs on ads to prevent ethnic dispute between 20 million muslims over a billion buddhists in China. Do muslims favor any other religions, or other religions need to favor them all the time?