With tailscale you either have to 1) download an app and click a button on every device you want to watch Jellyfin or 2) click a few buttons once, and then access your Jellyfin on the open internet forever with HTTPS

Plex is the most plug-in-play, I understand not wanting to go through setting it up, but you’re not accurately portraying how difficult it actually is to access. It is not difficult to access, but you have to set everything up yourself.