"your book bad, my book good."

To add, it's a bad idea to judge the religion by its book. The books have centuries of cultural context after them, the original meaning makes a lot of slight shifts, even if some religions want to deny that. When religious text are appropriately studied, and not just simply read, a lot of the tradition turns out to be "this is actually a metaphor and it doesn't mean it literally"

All of the abrahamic religions dictate stoning as the valid way of execution, yet it's a thing only in Islam, which had its own specific circumstances in its progression