are in UUIDs.

It's not a UUID. Those tokens are MD5 hashes of values that can be pregenerated (rainbow tabled) or guessed. It's not random. https://github.com/jellyfin/jellyfin/issues/5415#issuecomment-2525076658
Edit: and UUID in the URL still means capture-able by google search and other issues/crawlers. But somehow security through obscurity is "secure" to you. Y'all are crazy.