When we give up all privacy, suddenly it no longer exists.
That's a little too obvious to state so I won't pretend there's people here that haven't figured that out yet for the sake of overly-pedantic or naive arguing. You're moving into "nothing to hide, nothing to fear" territory.
> Is that just a fundamental value for you?
Yep. It's in my country's constitution and protected under various laws.
For those that haven't read it, I still recommend this as a good introduction to some fundamental ideas around why privacy should/could be considered a basic right:
http://groups.csail.mit.edu/mac/classes/6.805/articles/priva...