As also mentioned in the Morning News, Facebook is again messing with your privacy settings. Huffington Post offers this handy-dandy guide to regaining your privacy settings (at least to where they used to be). Happy hiding.
UPDATE: An anonymous commenter (yes, sometimes their contributions are valuable) says this:
If you're concerned about privacy, and the fact that deleting your profile is next to impossible for users, I have a quicker solution: Change your profile photo to one of a penis, then have a friend report you. Facebook will do the rest of the privacy-wiping on your behalf.