I believe The Beatles: Rock Band came the closest to being perfect. Eveything about that game was just beautifully done and the only things missing was Pro Drums, an option for Keys, and a few more Beatle songs (Hey Jude, Strawberry Fields Forever, Yesterday etc. etc.)
Yeah this is how I’d look at it. Skyrim’s engine might be absolute dogshit and it might be buggy as a cheap motel mattress, but there’s other kinds of perfection than just perfection of the tech