Well, Hitler was misguided,
Misguided by who's terms? Some other men? What datum are we judging our ethics and morals by? Who set that datum? I suggest that all our morals, ethics, laws and expectations of a civilized world came from God. Without Him, nobody has the right to tell anyone what is right and wrong. Sure we live better, have order, have safety, but in a world where we have no foundation for our civilized beliefs, anyone creating new ones has just as much merit..
We are already seeing deviations from this in the debate about abortion. Civilized people do not kill their unborn children. Yet due to the popular vote of people who will have their lives changed by the addition of a new child coupled with the $$$$ doctors can make.... we have the murder of our own.
God says it's wrong. Men skew it all to calm their conscience because if it is made acceptable on this earth, even if it is wrong in God's eyes, He doesn't exist in their world so there is no consequence.
What I am saying is, if you get the right group of people in power, their views can become the law. With no all knowing, all righteous creator to govern the laws and set a foundational base, you have then created the vacuum for "might is right" or "majority rules". You will also have those that can, rightfully, claim nobody tells me what to do.
They can then take what they want, do what they want and who has the right to say differently?