If we accept the (unconventional) view that the Cold War was WW3, then it could be argued that the countries which escaped Russian domination learned the value

If we accept the (unconventional) view that the Cold War was WW3, then it could be argued that the countries which escaped Russian domination learned the value of privacy (even if their appreciation of it has waned over time). You're right, though, that it's probably not worth getting our hopes up about what sort of societies would exist after WW4 (based on that numbering system).