The dilemma felt by science fiction writers will be perceived in other creative endeavors.
Vernor VingePeregrine Wickwrackrum was of two minds about evil: when enough rules get broken, sometimes there is good amid the carnage.
Vernor VingeSometimes terror and pain are not the best levers; deception, when it works, is the most elegant and the least expensive manipulation of all.
Vernor Vinge