Shiloh is a wonderfully dramatic battle. The leader of one side is killed, and the other one is going on to glory, and it was the first great battle. It lasted two days.
My father was the king of the joke-tellers. I was so impressed as a child watching him, holding people in rapt attention.
The restriction of religion to private life therefore does not necessarily threaten the vital interests of the majority religion, if there is one, and it protects minority religions from tyranny of the majority.