New solution to the Fermi paradox: Highly advanced extraterrestrial civilizations deliberately delay their appearances, letting centuries of erroneous UFO sight

New solution to the Fermi paradox: Highly advanced extraterrestrial civilizations deliberately delay their appearances, letting centuries of erroneous UFO sightings desensitize us first. This tactic allows their real spacecraft to go unnoticed, as cynicism has led us to dismiss any new reports.