Presumably It Occurred To Them To Activate The Fuelling Kill-Switch As Part Of The Safing Process.

https://www.tmz.com/2025/06/19/spacex-starship-rocket-explodes-launch-test/

https://twitterwithbraincells.blogspot.com/2025/06/she-cant-have-known-that-her-presence.html

Although you can see why I feel I have to ask.