I suppose simplicity is in the eye of the beholder. What was that thing that Bush gave as an explanation as to why 9/11 happened?
FWIW, people do like simple and nuance can be difficult to comprehend. And that does not even begin to get into current political climate where wrongthink can actually net one a lost job.
It used to be communists. Then terrorists. Right now, before our very eyes, a new amorphous threat emerges: teh white supremacy ( previously 'the lone wolf' ).