My jellyfin setup is not that different.

Jellyfin container instance running on a mini pc, reading media from an NFS share on a NAS, organised in a very similar fashion.

The advantage is there is a "native" app on the TV, so everything is very adapted to the TV UX, i.e. remote control driven UI etc.

(And the jellyfin side is relatively disposable, the container can be trashed and redone fairly quickly).