Perhaps it's collective karma after all. 

 "Good intent and good deed contribute to good karma and future happiness, while bad intent and bad deed contribute to bad karma and future suffering."  Maybe it is time for us agnostics to 'get religion'!

Or,  it doesn't require a belief in a deity to accept demons enough to label at least three of the leading candidates with that label.  Maybe one or more of the demonologists are right!

"Demonology is the systematic study of demons or beliefs about demons. It is the branch of theology relating to supernatural beings who are not gods. It deals with......malevolent beings of all kinds."