The film rating system is not a perfect one, but as a parent myself, I think we get our ratings right more often than not. Like any good system that endures, it is built to evolve and as an organization we are constantly working to improve it.
The Economist ought to be embarrassed. A little fact-checking would have gone a long way. When it comes to who is helping whom, the church's contribution to America is worth $23 billion annually. Not exactly chump change.