In what ways does lex luthor exploit media narratives to achieve his goals?

In the film "Batman v Superman: Dawn of Justice", Lex Luthor is portrayed as the mastermind who orchestrates events to pit Batman against Superman. The Wikipedia source states that Luthor manipulates Batman into a preemptive battle with Superman, driven by his obsession with the latter. There is no mention in the provided evidence of Luthor using media narratives or public relations tactics to influence public perception or achieve his goals. Therefore, based solely on the verified source, his strategy in the film centers on direct manipulation of the heroes rather than manipulation of media or public sentiment.