1) Find actors who're willing to play the Good Guy and the Black Hat respectively.
2) Find an audience desperately searching for a narrative to explain stuff that their previous ideology can't comprehend.
Good directors/showrunners/scriptwriters can keep this going indefinitely, and will be able to get their audience to buy the advertised products (or vote) in order to keep the show going on. The BBC's Adam Curtis explains how it's done in shocking but unsurprising detail.
