That I understand, but I doubt I will ever read the book.

While many Christian sects are a little too extreme in many cases, there are several issues which, though viewed as intolerant, the Christian world is generally correct on. The book sound slike it focuses on these issues, and not the more rediculous ones (such as banning public dances).

If a religion changes doctrine to fit popular opinion it is not a very strong religion. If it changes doctrine based on Scriptural evidence, or devine revelation, that is different.