I mean what are they gonna say? "Yes, we have been aware that an unknown but possibly huge number of our servers have been compromised, but decided to keep our customers in the dark"?
I think the point is that actual honesty from these megacorps would be so surprising that even raising the possibility of it happening is so absurd it feels like parody writing.
This may be the first time in the history of the internet a statement from Facebook has ever been held up as an example of honesty and transparency from a corporation in America.
Mostly because I believe that, while it's important to maintain healthy skepticism around privacy and security issues, I also believe that we don't benefit from cynical hyperbole.