When private citizens build shelter systems, they're paranoid delusional cranks.
When the government does it with the tax revenues they have collected from those same people, they're farsighted, prudent and fully justified in planning for their own continuity.
Besides, they're important and worthy people. Popular and up there in the hierarchy of primates. We look up to them the same way betas do in Jane Goodall documentaries. Therefore anything they do is correct and not to be questioned or criticized.
The real sickness in the head of the Homo Sapiens is when they take a certain pride in seeing these facilities ... despite knowing that these places are not open and never will be to them or their families. "Yeah, but they are government people. Tom Clancy style and all. They will be safe because they know what they are doing. It gives me a peculiar pleasure to know they have nothing to worry about. It's only crazy when the little people like you and me even dream to attempt such things. That's nuts. If you're not in the government with a billion dollars why even bother to try?"