There is actually another video from this YouTuber (not linked in the 9to5mac article) that shows it is just the screen, even without the ribbon for the proximi

There is actually another video from this YouTuber (not linked in the 9to5mac article) that shows it is just the screen, even without the ribbon for the proximity sensor/ambient light sensor plugged in: https://youtu.be/-elQNEvlqrk https://youtu.be/-elQNEvlqrk