It's not an RPG and it still has plenty of bugs (and Bethesda's are super exaggerated because modders have made big lists trying to clean up every tiny detail because they can).
TOTK is a good game, over a decade later, and the physics are genuinely innovative. But there's all kinds of jank and unpredictability with all the new building stuff. They just lean into it and let you see it as part of the fun.
It's also a lot more self contained. Every enemy and chest is hand placed with no variation. There aren't random wandering patrols, there aren't the kind of actually interactive quest lines, there aren't big skill trees that change how your character moves and fights, and the number of enemies (and NPCs in "populated" areas) encountered is very carefully limited to stay within their constraints. It's good for what it is, but it doesn't seek to provide the living world experience Bethesda (and less expansive RPGs) does. TOTK will probably be one of a small handful of open world games to hold up against time for what it does well, but there's a reason Skyrim does, too, and it's because there's still nothing out there comparable in scope.