In this text, the main idea that King wants to convey is that churches are not fulfilling their duty of threatening unfair power structures. King begins this argument by painting an image of peace and beauty when referring to the churches of the South. This image is supported by the references to "spires pointing heavenward." King most likely begins this section in such a way in order to increase the contrast effect with the rest of the text. In the rest of the text, King accusses the church of being passive and complacent, and of not being brave enough to challenge inequalities. This increases the contrast in the text, as well as emphasizes the main idea that King wants to convey.
the effect in the ordering of the paragraghs was to show a contrast. The contrast between the churches power now to how it was before. He uses the example that he has seen these churches before and how is it so focused on beauty and not worship. The following paragraph kind of agreeing with that idea and saying the church is powerless.
