Well that $15b valuation has to come from somewhere. What this says is they want to be a media company with millions of producers.
Seriously, you think a million bad cameraphone pictures of people getting drunk are worth $15Bn?
There is also the element of trust. What you describe is a sensible thing to protect against, but I have that gut feeling that the new policy is covering a new approach FB may take. Something feels wrong with having this wording of this policy, so I mistrust the intentions behind this new policy until evidence to the contrary emerges. I'm not holding my breath.
They wanted the press to keep a spot on Facebook!