If we had a hostile alien invasion, thousands dead in the first wave, footage of the aliens, everything. half the GOP would still be saying it's a hoax, and making it into an anti Liberal/anti LGBTQ rant. Part of them would straight up worship the aliens, a bunch of them would drink bleach.
The GOP would become the "Human Power Elite" trope in "They Live." Literally I swear to God that was a metaphor for Tim Scott and Herschel Walker. For that matter MTG and Boebert, too.