As Stewart Lee said in his show that is a reaction to the Christian Voice condemnation of his portrayal of Christ in Jerry Springer: The Opera:
"Firstly, (...)a symbol, be it an icon or a flag or whatever, is only as worthy of respect as the values of the people that appropriate it. Secondly, that if a symbol goes out into the world, into places where it's perhaps not understood or valued, you shouldn't be too upset if it then takes on a shape that you don't recognise as your own. And thirdly, that if you attempt to apply limits to freedom of expression, either through legislation or intimidation or threats, what will then happen is that reasonable people, often against their own better judgement, will feel obliged to test those limits..."