None of the links in OP is hidden with that logic. The only hidden page to normal members is Staff Forum.
I'm gonna prove you're wrong
As a normal member I don't know where's that section and I really want to know what's spoken on there...
Proof from Badbear:
There's a subforum that is only visible to donators.
edit: that section's link: https://bitcointalk.org/index.php?board=68.0