What's going on, you ask?
It's simple. Human nature.
They are told by their founder to love one another, they try their best. But ultimately, human beings have to be right.
Why does the Torah go through so few revisions? Well, no need to translate it from Hebrew (unless you can't understand it), and basically the Law is studied, not so much interpreted. Although it does have interpretation. But they put that in the Midrash, they don't make new books every time someone wants to interpret a few words.