If you deliver on your promises, they're not promises any more, but deliverables. The only way you can keep your promises is by keeping them as promises.
Sure, but the demographic he's campaigning for have a tenuous grasp on reality at best, you expect them to remember something that happened in 2016? I'm sure they've already constructed some elaborate scenario in their heads about how Trump tried to reveal the truth but a Oceans 11 worthy plot by The Deep State(tm), Bill Gates, and Barack Obama conspired to prevent its release.