I'm going to put a very different spin on it. 30 minutes is how long it takes for an intercontinental nuclear missile to get from Russia to the United States, and vice-versa. 30 minutes to contemplate the rest of your life, and how it, and the world, is about to end. "Should I run, should I hide, for the rest of my life?" There's no running or hiding from that. It's a cry to the powers that be to put away such things before we're all left with only 30 minutes...
I'm going to put a very different spin on it. 30 minutes is how long it takes for an intercontinental nuclear missile to get from Russia to the United States, and vice-versa. 30 minutes to contemplate the rest of your life, and how it, and the world, is about to end. "Should I run, should I hide, for the rest of my life?" There's no running or hiding from that. It's a cry to the powers that be to put away such things before we're all left with only 30 minutes...