And the physics in Oblivion are good, the combat has improved a lot.
TES has different quests, not just about finding rings. For example, in Oblivion, there were cool quests with guilds, where you had to kill in specific ways, or the quest for the Mages Guild, about the deceased student. It amused me.
where you had to kill in specific ways
where you had to kill
kill
kill
kill
kill
Moreover, I doubt you played the 1st and 2nd TES.
Morrowind was a breakthrough in RPGs.
Where do we end up when we save the world?