Another advantage of Nextcloud over Syncthing is selective syncing: Syncthing replicates the entire collection of synced files on each peer, but Nextcloud lets clients sync and unsync subfolders as needed while keeping all the files on the server. That could be useful for OP if they have a terabyte of files to sync but don’t have that much drive space to spare on every client.
The Scouring of the Shire is probably the most explicit anti-industrialization section of the books—more so even than the destruction of Isengard.