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  • It is interesting how many movies/scifi stories have an irrevocable self-destruct sequence. why not just let any authorized person stop it at any point?
    – releseabe
    Commented Dec 13, 2020 at 5:24
  • She has 5 minutes to stop it because the fail-safe engages after 5 minutes. The fail-safe will ensure that it cannot fail, otherwise there would be multiple ways to stop the explosion like cutting off electricity, things like that. When you want to destroy a ship and are leaving in a shuttle, the last thing you want is the ship NOT to explode, you want a 100% guarantee, hence the fail-safe. Commented Sep 2, 2023 at 3:24