You could have a scenario where you have film studies notes, or the director, director of photography etc as separate note tracks to pick through. Like a dvd menu. Something useful like that. But not sure I personally would find too much use for social notes on films 🤔 

 Instructional videos. Any text you need to copy and paste could be a comment at the correct time. Same for weblinks npubs,etc. I'd love for this when making how to videos. 

 It could be a "community notes" for scam videos 😂