Although many people deny the existence of demons for various reasons, there is compelling evidence that suggests otherwise. There are really only two groups that deny the complete existence of demons these are the humanists/atheists and the feel good Jesus saves everyone Christians.
Humanism is a religion based on the fact that there is no God and no afterlife so live life to the absolute fullest as you only get one shot. Many Humanists believe that demons don't exist because they don't believe in God in the first place. For if there is no God then how can there be anything else supernatural? Humanists don't believe in God or in heaven or hell and as such they value the human experience here on earth more then anything else so they attempt to live good lives for the betterment of humanity. …