Of course there are secretive cabals of powerful people who work to make big bad things happen, actual conspiracies, but the proliferation of conspiracy theories since the 1960s, so many so preposterous, had the unfortunate effect of making reasonable people ignore real plots in plain sight. Likewise, the good reflex to search for and focus on the complexities and nuances of any story, on grays rather than simple whites and blacks, can tend to blind us to some plain dark truths.
