Shock collars for your guards? What in the name of James Bond villainery is this?

For being billionaire "business geniuses" they have no clue that in a post-apocalyptic society that community is the only way to survive, just like it always has been since before we even had agriculture. Humans can't just survive on prepared MREs in a bunker. Those supplies will eventually run out, and what then? Loners don't last long unless you're a Wanderer in the Fallout universe. And being a CEO doesn't give you the practical skills needed to survive in an apocalyptic wasteland.