The Flipper Zero is the backdoor, on the Day of Reckoning everyone's Flipper will emit a signal that will drive people into a murderous rage and detonate all nukes while "zhovner", if that is his real name, hides in a mountain lair with a selection of hand-picked people that he has Chosen to repopulate the earth with. Once the billions have perished, his buddy Musk will launch his fleet of Starships full of handpicked seed ships to spread throughout the solar system and galaxy to spread humanity across the universe like a disease.
or something.