There's some good points in there, I think. It isn't exactly about religion, per se, but since the letter is somewhat critical of a certain man who has what amounts to a religious belief in birtherism, it should fit. Besides, I think it's safe to say that it isn't just corporations that are a potential problem. Other special interests (including religious ones) also threaten our democracy.
Worldviews: Everyone has one, everyone believes them to be an accurate view of the world, and everyone ends up at least partially wrong. However, some worldviews are stronger and well-supported, while others are so bizarre that they make no sense to anyone else.