From the fine article: > To work effectively, a trip mode feature would need to be... irrevocable for an amount of time chosen by the user once it’s set. There

From the fine article: > To work effectively, a trip mode feature would need to be... irrevocable for an amount of time chosen by the user once it’s set. There’s no sense in having a ‘trip mode’ if the person demanding your password can simply switch it off, or coerce you into switching it off.