In my opinion, Nazism and Communism are far worse than religion, combined, the two have killed more than religion.
Catholicism killed in the crusades for the right for christian pilgrims to visit a holy city
Islam killed back then to defend themselves, a small (obscenely small) minority kill out of an extreme sense of nationalism.
The Jewish state of Israel kills to defend its own right to exist as a free and secure state for the Jews after the horrors of the holocaust.
Hitler believed he could perfect the human race by eliminating people he believed to be inhuman, and twelve million are killed for it
Stalin believed that communism was perfection, 20 million die under his regime
Mao believed the same thing, 65 million people die in China
Overall communism has killed 100 million people worldwide
Governments that exert total control and commit genocide are far worse than religion. They help no one.
Religions today CAN help people. I know a few people who completely turned their lives around with the help of religion.
Also, what has Buddhism done wrong?