Complex sentence: The strong, direct relationships that have developed over the years between regulators and corporate media lobbyists, which Zorack notes as essential to greater influence, go much deeper than the notion that the lobby has simply been around for a while.
Split into simpler sentences: The strong, direct relationships that have developed over the years between regulators and corporate media lobbyists, is essential to greater influence. It goes much deeper than the idea that the lobby has simply been around for a while.