Screenwriter David Koepp addressed criticism of Disclosure Day’s alien look, outlining why the team kept a familiar design. In an interview with Screen Rant, he said the Disclosure Day aliens’ design

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly passive-aggressive code word.