I'm gonna be real with you Jack. It does not make sense to use nostr for that. Its a protocol built around relaying messages, not holding onto them for very long.
Discussion
Now DHT torrents on the other hand. People have been seeding pirated movies...and also news and information illegal in certain governments... But mostly pirated movies for a longggg time.
If you want to introduce lightning payments to pay seeders (be a great opportunity for channel factories to shine if it motivates that being developed) then that sounds great!