Putin has fallout protection for 70% of the Russian people. I suspect our 'elites' ONLY have fallout shelter protection for themselves. So, in answer to your question - the deep state and their friends would live and the little people would die.
I suppose I could hide in my crawlspace and hope I don’t get too sick. Here in Pensacola, if I tried to dig a bomb shelter, I would end up with something that looked like an underground version of Houdini’s Chinese Water Torture box.