Not weird at all. In Purgatory, the sky is red all the time...

Then again, the update before that was on April 24. Lots of likes though. I guess he doesn't like sharing in free-form text all that much.

Or all he's other updates have been friends only. It wouldn't surprise me if he has now recently opened his own account up more in a sign of support for the new settings.

Maybe that should be the standard privacy setting. Everyone on facebook should set their privacy setting to match Mark's.