A few interesting points lept out.
A woman convert to mormonism from England in the 19th century, was GLAD that her son died from cold exhaustion, and hunger on the long trek to Utah.
Some-one commenting on the mountains meadows massacre, said that people can do anything at all, even kill if they believe that they are following the will of god.
I don’t have a good short term memory so that’s all that I can remember. But it reminded me of just how totalitarian religion is, and how wrong and immoral it is for people to give up their individuality and freedom to a religious creed.
You might find this book interesting.