Come on now. People do the "right thing" on their own all of the time. Free from government coercion.
If they do, then why must we have laws to prohibit certain behaviors? Why do we have laws which make stealing and murder and forgery and lying under oath illegal?
But man is inherently immoral. To serve himself absent any moral code which is learned.
Toddlers lack morality.
Right. That's why we have laws...to protect the rest of us from....well...the rest of us.