Serious answer (and retroactive justification). Privacy is a sort of personal property. In a post scarcity society, where personal property is less important, privacy also becomes less important.

If you talk to anyone who grew up in the Soviet Union, you’ll get the impression that the concept of privacy was anathema to their civilization. That didn’t mean that they didn’t do things in secret, like black market dealings and such, but all of this felt surreptitious. Privacy was a vice, not a virtue. In our property oriented civilization, the opposite is the case.