I noticed the "no Secrets" trend as well, especially with (pardon the politics for a moment) Edward Snowden releasing things that other figures don't want to have released whatsoever. It's a similar quandry, how much to reveal and how much to conceal. It seems like there's a move towards MORE knowledge and that includes secrets about one-self.

CLARK: No. I'm just worried I'm a jinx.
JONATHAN: A jinx?
CLARK: Yeah. Let's face it, ever since she's known me, Lois's been kidnapped, frozen, pushed off buildings, almost stabbed, poisoned, buried alive and who knows what else, and it's all because of me.
-"Contact" (You're not her jinx, you're her blessing.)