I never tried Plex. Just went with Jellyfin, so don’t know what I’m missing. Jellyfin works fine though.

How do they manage changes to the site and refreshing the peers with the latest copy?

Teacher had a relationship with a student. When he got caught, the court forbade him from having contact with the student. Some teachers went over to his house and caught him with the student anyway. He ended up in jail for a number of years.