Apple warns that its jet black iPhone 7 scratches easily

Apple announced the iPhone 7 today. It comes with a couple notable hardware changes: both the iPhone 7 and the iPhone 7 Plus don’t have a headphone jack, and the Plus comes with dual cameras. Wowee. Big hardware changes!
But who cares. What we the people wanted and now have with the iPhone 7 is a jet black iPhone. Check it out:Wait, what is that? Is that a scratch I’m seeing? Could it be? Also what’s this footnote on the iPhone 7’s dedicated page about the jet b